Gr12 Mathematics: June Exam Medium P(1)
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Gr12 Mathematics: June Exam Medium P(1)

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Questions and Answers

What is the derivative of the function f(x) = x^2?

  • 2x^2
  • x^2
  • x
  • 2x (correct)
  • What is the derivative of the function f(x) = 3x^2 + 2x - 5?

  • 3x^2 - 2x + 5
  • 6x + 2 (correct)
  • 3x^2 + 2x - 5
  • 6x - 2
  • What is the notation for the derivative of a function f(x)?

  • f(x)'
  • f^2(x)
  • f'(x) (correct)
  • f''(x)
  • What is the purpose of the rules for differentiation?

    <p>To make differentiation simpler and faster</p> Signup and view all the answers

    What is the derivative of a constant function f(x) = k?

    <p>0</p> Signup and view all the answers

    What is the derivative of the function f(x) = x^3 - 2x^2 + x - 1?

    <p>3x^2 - 4x + 1</p> Signup and view all the answers

    What is the equation of a tangent to a curve at a point?

    <p>The gradient of the curve at that point</p> Signup and view all the answers

    What does the symbol D in Df(x) represent?

    <p>The differential operator</p> Signup and view all the answers

    What is the purpose of finding the derivative of a function?

    <p>To find the equation of a tangent to a curve</p> Signup and view all the answers

    What is the general rule for differentiation?

    <p>d/dx [x^n] = nx^(n-1)</p> Signup and view all the answers

    What is the main purpose of limits in calculus?

    <p>To explore how functions behave as they approach specific points</p> Signup and view all the answers

    What happens to the function defined as $y = \frac{x^2 + 4x - 12}{x + 6}$ when $x$ approaches -6?

    <p>The function approaches a value of -8</p> Signup and view all the answers

    Which of the following statements about the function $y = \frac{(x + 6)(x - 2)}{x + 6}$ is true?

    <p>It has a discontinuity at $x = -6$</p> Signup and view all the answers

    In the context of Zeno's Achilles and Tortoise paradox, what does the paradox illustrate about limits?

    <p>Infinite quantities can be resolved into finite segments</p> Signup and view all the answers

    What can be concluded about the graph of the function $y = \frac{x^2 + 4x - 12}{x + 6}$?

    <p>It has a hole at $x = -6$</p> Signup and view all the answers

    What expression does the function simplify to when $x \neq -6$?

    <p>$x - 2$</p> Signup and view all the answers

    What is the value of R in the division of a polynomial p(x) by a divisor cx - d?

    <p>p(d/c)</p> Signup and view all the answers

    What is the degree of the quotient polynomial Q(x) when dividing a polynomial p(x) by a linear polynomial cx - d?

    <p>One degree less than p(x)</p> Signup and view all the answers

    What does the Factor Theorem state?

    <p>Both a and b</p> Signup and view all the answers

    What is the general form of a polynomial p(x) when divided by a linear polynomial cx - d?

    <p>p(x) = (cx - d) * Q(x) + R</p> Signup and view all the answers

    What is the formula for the nth term of an arithmetic sequence?

    <p>Tn = a + (n - 1)d</p> Signup and view all the answers

    What is the purpose of the Factor Theorem in solving cubic equations?

    <p>To factorize the polynomial</p> Signup and view all the answers

    What is the first step in solving a cubic equation of the form ax^3 + bx^2 + cx + d = 0?

    <p>Use the Factor Theorem to find a factor</p> Signup and view all the answers

    What is the common difference in an arithmetic sequence?

    <p>The difference between two consecutive terms</p> Signup and view all the answers

    What is the result of substituting x = d/c into the polynomial p(x) when cx - d is a factor of p(x)?

    <p>p(d/c) = 0</p> Signup and view all the answers

    What is the relationship between the degree of the quotient polynomial Q(x) and the degree of the polynomial p(x) when dividing by a linear polynomial cx - d?

    <p>The degree of Q(x) is one less than p(x)</p> Signup and view all the answers

    What is the first step in determining the equation of a tangent to a curve?

    <p>Find the derivative using the rules of differentiation.</p> Signup and view all the answers

    How is the relationship between the gradients of the tangent and the normal defined?

    <p>The product of the gradients equals negative one.</p> Signup and view all the answers

    What does the second derivative indicate about a function?

    <p>It indicates the change in the direction of the function's slope.</p> Signup and view all the answers

    Which of the following notations is NOT commonly used for the second derivative?

    <p>$f^{(2)}(x)$</p> Signup and view all the answers

    To find the y-intercept of the cubic function $f(x) = ax^3 + bx^2 + cx + d$, what value should be substituted for $x$?

    <p>0</p> Signup and view all the answers

    What is the condition for a stationary point of a cubic function?

    <p>The first derivative equals zero.</p> Signup and view all the answers

    What happens to the graph of a cubic function when the leading coefficient $a$ is positive?

    <p>The graph rises to the right and falls to the left.</p> Signup and view all the answers

    What is the purpose of finding the derivative of a function?

    <p>To identify stationary points and calculate slopes.</p> Signup and view all the answers

    In the context of cubic functions, how can local maxima and minima be characterized?

    <p>Local maxima are points where the function changes from increasing to decreasing.</p> Signup and view all the answers

    What method can be used to find x-intercepts of a cubic function?

    <p>Solve $f(x) = 0$ through factoring or using the Rational Root Theorem.</p> Signup and view all the answers

    What does it mean for a graph to be concave up?

    <p>The second derivative is greater than zero</p> Signup and view all the answers

    Which of the following statements is true about points of inflection?

    <p>They indicate a change in the concavity of the graph</p> Signup and view all the answers

    What is the first step in sketching a cubic graph?

    <p>Determining the shape of the graph based on the sign of $a$</p> Signup and view all the answers

    What is the outcome of applying the Remainder Theorem?

    <p>It gives the remainder after polynomial division</p> Signup and view all the answers

    Which method is NOT used for factorizing cubic polynomials?

    <p>Graphing</p> Signup and view all the answers

    To find the turning points of a cubic function, what must be solved?

    <p>$f'(x) = 0$</p> Signup and view all the answers

    What does the average rate of change measure over an interval?

    <p>The overall change in the function divided by the interval length</p> Signup and view all the answers

    In synthetic division, which of the following is used?

    <p>The coefficients of the dividend polynomial</p> Signup and view all the answers

    Given a polynomial of the form $f(x) = ax^3 + bx^2 + cx + d$, which point provides the y-intercept?

    <p>Evaluate $f(0)$</p> Signup and view all the answers

    What is true about the end behavior of a cubic polynomial as $x$ approaches positive or negative infinity?

    <p>It can always be determined by the sign of the leading coefficient</p> Signup and view all the answers

    Which of the following is equivalent to the expression (\log_a(x/y)) using the laws of logarithms?

    <p>(\log_a x - \log_a y)</p> Signup and view all the answers

    What is the general formula for the sum of a finite geometric series?

    <p>$S_n = \frac{a(1 - r^n)}{1 - r}$</p> Signup and view all the answers

    What is the condition for an infinite geometric series to converge?

    <p>-1 &lt; r &lt; 1</p> Signup and view all the answers

    What is the formula for the sum of an infinite geometric series when it converges?

    <p>$S_\infty = \frac{a}{1 - r}$</p> Signup and view all the answers

    What is the general form for the nth term of an arithmetic sequence?

    <p>$T_n = a + (n - 1) d$</p> Signup and view all the answers

    What is the value of the common ratio (r) in a geometric sequence if the second term is 6 and the first term is 2?

    <p>3</p> Signup and view all the answers

    In sigma notation, what does the index of summation represent?

    <p>The position of a term in the sequence</p> Signup and view all the answers

    What is the sum of the first 5 terms of the geometric sequence with a = 2 and r = 3?

    <p>242</p> Signup and view all the answers

    What is the sum of the infinite geometric series with a = 1 and r = 1/2?

    <p>2</p> Signup and view all the answers

    Which of the following is an example of a finite geometric series?

    <p>1 + 3 + 9 + 27 + 81</p> Signup and view all the answers

    What is the sum of the first 10 terms of the arithmetic series 1 + 4 + 7 + 10 + ...?

    <p>145</p> Signup and view all the answers

    What is the sum of the first 100 positive integers using Gauss's method?

    <p>5050</p> Signup and view all the answers

    What is the formula for the sum of the first $n$ terms in an arithmetic series?

    <p>$S_n = rac{n}{2}(2a + (n - 1)d)$</p> Signup and view all the answers

    Which statement correctly defines a function?

    <p>A function is a relation where each input maps to exactly one output.</p> Signup and view all the answers

    Which graphical characteristic identifies a one-to-one function?

    <p>Every horizontal line intersects the graph at most once.</p> Signup and view all the answers

    What is necessary for a function to have an inverse that is also a function?

    <p>The function must be one-to-one.</p> Signup and view all the answers

    What do the graphs of a function and its inverse exhibit?

    <p>They are symmetrical about the line $y = x$.</p> Signup and view all the answers

    How is the inverse function found algebraically?

    <p>By interchanging $x$ and $y$ and then solving for $y$.</p> Signup and view all the answers

    Which of the following represents a many-to-one function?

    <p>$f(x) = x^2$ for $x eq 0$.</p> Signup and view all the answers

    If a function fails the horizontal line test, what does this indicate?

    <p>The function does not have an inverse that is a function.</p> Signup and view all the answers

    What does the notation $f^{-1}(x)$ signify?

    <p>The inverse function of $f$, not the reciprocal.</p> Signup and view all the answers

    What is the inverse function of a linear function represented as $y = ax + q$?

    <p>$f^{-1}(x) = rac{1}{a}x - rac{q}{a}$</p> Signup and view all the answers

    Which of the following describes the domain of the inverse function for $y = ax^2$?

    <p>Restricted to either $x ightarrow ext{positive}$ or $x ightarrow ext{negative}$ based on the sign of a</p> Signup and view all the answers

    What is the range of the inverse function $f^{-1}(x) = rac{1}{a}x - rac{q}{a}$?

    <p>All real numbers</p> Signup and view all the answers

    Which characteristic is true about the inverse of a linear function?

    <p>It remains a linear function.</p> Signup and view all the answers

    How is the inverse of $y = b^x$ expressed?

    <p>$y = ext{log}_b x$</p> Signup and view all the answers

    What is a key characteristic of the logarithmic function $y = ext{log}_b x$?

    <p>It has a vertical asymptote at $x = 0$.</p> Signup and view all the answers

    What transformation do the graphs of a function and its inverse exhibit?

    <p>They are reflections about the line $y = x$.</p> Signup and view all the answers

    Which statement about an exponential function where $b > 1$ is correct?

    <p>The function rises rapidly.</p> Signup and view all the answers

    What describes the behavior of the exponential function $f(x) = b^x$ when $b < 1$?

    <p>The function decreases and approaches zero.</p> Signup and view all the answers

    What property does the logarithm have when converting from exponential form, such as $5^2 = 25$?

    <p>It retains the same base as the original expression.</p> Signup and view all the answers

    If the first term of a geometric sequence is 3 and the common ratio is 2, what is the 5th term?

    <p>192</p> Signup and view all the answers

    Which of the following sequences is an arithmetic sequence?

    <p>1, 3, 5, 7, 9</p> Signup and view all the answers

    What is the common difference in the arithmetic sequence 5, 11, 17, 23, ...?

    <p>6</p> Signup and view all the answers

    If the geometric mean between two numbers is 6, and one of the numbers is 4, what is the other number?

    <p>9</p> Signup and view all the answers

    What is the sum of the first 10 terms of the arithmetic sequence 2, 5, 8, 11, ...?

    <p>155</p> Signup and view all the answers

    What is the 7th term of the geometric sequence 1, 3, 9, 27, ...?

    <p>729</p> Signup and view all the answers

    The first term of an arithmetic sequence is 10 and the common difference is -3. What is the 15th term?

    <p>-35</p> Signup and view all the answers

    Which of the following describes the graphical representation of a geometric sequence?

    <p>An exponential curve</p> Signup and view all the answers

    What is the common ratio of the geometric sequence 2, 6, 18, 54, ...?

    <p>3</p> Signup and view all the answers

    The sum of the first 5 terms of an arithmetic series is 45. If the first term is 3, what is the common difference?

    <p>3</p> Signup and view all the answers

    What is the primary concept that the Achilles and the Tortoise Paradox illustrates?

    <p>Limits</p> Signup and view all the answers

    What happens to the function y = (x^2 + 4x - 12)/(x + 6) when x approaches -6?

    <p>The function approaches -8</p> Signup and view all the answers

    What is the graphical representation of the function y = (x^2 + 4x - 12)/(x + 6)?

    <p>A straight line with a hole</p> Signup and view all the answers

    What is the purpose of limits in calculus?

    <p>To build on algebra and geometry</p> Signup and view all the answers

    Why can't we cancel the (x + 6) terms in the function y = (x^2 + 4x - 12)/(x + 6) when x = -6?

    <p>Because the function is not defined at x = -6</p> Signup and view all the answers

    What is the significance of the fact that y approaches -8 as x approaches -6 in the function y = (x^2 + 4x - 12)/(x + 6)?

    <p>It indicates a limit</p> Signup and view all the answers

    What is the purpose of finding the second derivative of a function?

    <p>To analyze the concavity of the function.</p> Signup and view all the answers

    What is the condition for a point of inflection?

    <p>f'(x) = 0 and f''(x) changes sign.</p> Signup and view all the answers

    What is the outcome of applying the Remainder Theorem?

    <p>The remainder is obtained by substituting d/c into the polynomial.</p> Signup and view all the answers

    What is the relationship between the degree of the quotient polynomial and the degree of the polynomial p(x) when dividing by a linear polynomial cx - d?

    <p>The degree of the quotient polynomial is one less than the degree of p(x).</p> Signup and view all the answers

    What is the method used to find the x-intercepts of a cubic function?

    <p>Solving the equation f(x) = 0.</p> Signup and view all the answers

    What does it mean for a graph to be concave up?

    <p>The graph opens upwards.</p> Signup and view all the answers

    What is the first step in solving a cubic equation of the form ax^3 + bx^2 + cx + d = 0?

    <p>Factor and Remainder Theorem.</p> Signup and view all the answers

    What is the purpose of finding the stationary points of a function?

    <p>To determine the maximum and minimum values of the function.</p> Signup and view all the answers

    What is the general method for sketching a cubic graph?

    <p>Find the y-intercept, x-intercepts, stationary points, and points of inflection.</p> Signup and view all the answers

    What does the average rate of change measure over an interval?

    <p>The rate of change over a specific interval.</p> Signup and view all the answers

    What is the derivative of the function (f(x) = x^3 - 2x^2 + x - 1)?

    <p>(f'(x) = 3x^2 - 4x + 1)</p> Signup and view all the answers

    What is the equation of the tangent to the curve (y = x^2 + 2x - 3) at the point ((1, 0))?

    <p>(y = 4x - 4)</p> Signup and view all the answers

    Which of the following is NOT a valid notation for the derivative of (y = f(x))?

    <p>(D_xf(x))</p> Signup and view all the answers

    What is the derivative of the function (f(x) = 5x^2 + 3x - 2)?

    <p>(f'(x) = 10x + 3)</p> Signup and view all the answers

    What is the derivative of the function (f(x) = rac{1}{x})?

    <p>(f'(x) = -rac{1}{x^2})</p> Signup and view all the answers

    What is the derivative of the function (f(x) = 2\sqrt{x})?

    <p>(f'(x) = rac{1}{\sqrt{x}})</p> Signup and view all the answers

    What is the derivative of the function (f(x) = rac{x^2 + 1}{x})?

    <p>(f'(x) = 1 - rac{1}{x^2})</p> Signup and view all the answers

    What is the derivative of the function (f(x) = (x + 1)^2)?

    <p>(f'(x) = 2x + 2)</p> Signup and view all the answers

    What is the derivative of the function (f(x) = \sin(x))?

    <p>(f'(x) = \cos(x))</p> Signup and view all the answers

    What is the derivative of the function (f(x) = e^x)?

    <p>(f'(x) = e^x)</p> Signup and view all the answers

    What is the relationship between the gradients of the tangent and the normal to a curve at a given point?

    <p>The gradients are multiplicative inverses.</p> Signup and view all the answers

    Which of the following correctly describes the effect of the coefficient 'a' on the shape of the cubic function ( y = ax^3 + bx^2 + cx + d ) when ( a > 0 )?

    <p>The graph rises to the right and falls to the left.</p> Signup and view all the answers

    What is the first step in finding the stationary points of a cubic function ( f(x) = ax^3 + bx^2 + cx + d )?

    <p>Find the first derivative ( f'(x) ).</p> Signup and view all the answers

    Which of the following is NOT a notation for the second derivative of a function ( f(x) )?

    <p>( f'(x) )</p> Signup and view all the answers

    To find the equation of a tangent line to the graph of ( f(x) ) at ( x = a ), what should be calculated after finding the derivative ( f'(x) )?

    <p>The value of ( f'(a) )</p> Signup and view all the answers

    How can you classify a stationary point of a cubic function as a local maximum or a local minimum?

    <p>By looking at the behavior of the function on either side of the stationary point.</p> Signup and view all the answers

    What does the sign of the second derivative tell us about the gradient of the original function?

    <p>The rate of change of the gradient.</p> Signup and view all the answers

    Which of the following is NOT a common method for finding the x-intercepts of a cubic function ( f(x) = ax^3 + bx^2 + cx + d )?

    <p>Finding the stationary points.</p> Signup and view all the answers

    What is the purpose of finding the second derivative of a function?

    <p>To determine the concavity of the function.</p> Signup and view all the answers

    What are the key steps involved in sketching the graph of a cubic function ( f(x) = ax^3 + bx^2 + cx + d )?

    <p>Finding the y-intercept, the x-intercepts, and the stationary points.</p> Signup and view all the answers

    What is the value of log_a(a) in logarithms?

    <p>1</p> Signup and view all the answers

    What is the range of the function f(x) = log x?

    <p>all real numbers</p> Signup and view all the answers

    What is the formula to change the base of a logarithm?

    <p>log_a x = log_b x / log_b a</p> Signup and view all the answers

    What is the graph of the inverse of an exponential function?

    <p>a reflection about the line y = x</p> Signup and view all the answers

    What is the application of logarithms in measuring pH levels?

    <p>pH = -log[H+]</p> Signup and view all the answers

    What is the formula for population growth?

    <p>A = P(1 + i)^n</p> Signup and view all the answers

    What is the common difference in an arithmetic sequence?

    <p>The difference between consecutive terms</p> Signup and view all the answers

    In a geometric sequence, how is the common ratio found?

    <p>By dividing each term by the previous term</p> Signup and view all the answers

    What does the slope of the graph representing an arithmetic sequence indicate?

    <p>The common difference of the sequence</p> Signup and view all the answers

    What is the arithmetic mean of the numbers 4 and 10?

    <p>7</p> Signup and view all the answers

    Which statement is true about geometric sequences?

    <p>The ratio between consecutive terms is constant</p> Signup and view all the answers

    What happens to a geometric sequence with a common ratio less than 1?

    <p>The terms decay exponentially</p> Signup and view all the answers

    How is the sum of a finite series of an arithmetic sequence denoted?

    <p>S_n</p> Signup and view all the answers

    What is the condition for an infinite geometric series to converge?

    <p>The common ratio must be less than 1 in absolute value</p> Signup and view all the answers

    Which formula is used to find the n-th term of a geometric sequence?

    <p>T_n = ar^{n-1}</p> Signup and view all the answers

    What is true about the graphical representation of a geometric sequence?

    <p>It yields an exponential graph</p> Signup and view all the answers

    In the general form of the sigma notation, what does the term (T_i) represent?

    <p>The term of the sequence at index (i)</p> Signup and view all the answers

    Which of the following statements accurately describes the difference between a finite and an infinite series?

    <p>A finite series sums only a specific number of terms, while an infinite series sums all terms of the sequence.</p> Signup and view all the answers

    Given a geometric sequence with a first term (a) and a common ratio (r), what is the formula for the (n)-th term of the sequence?

    <p>(T_n = a \cdot r^{n-1})</p> Signup and view all the answers

    What condition must be met for an infinite geometric series to converge?

    <p>The common ratio (r) must be between -1 and 1 (exclusive).</p> Signup and view all the answers

    If the common difference of an arithmetic sequence is (d) and the first term is (a), what is the formula for the (n)-th term of the sequence?

    <p>(T_n = a + (n - 1)d)</p> Signup and view all the answers

    Which of the following is NOT a characteristic of a finite geometric series?

    <p>The series always converges to a finite value.</p> Signup and view all the answers

    What is the sum of the first 5 terms of the geometric series with the first term (a = 2) and common ratio (r = 3)?

    <p>242</p> Signup and view all the answers

    Given the infinite geometric series with the first term (a = 4) and common ratio (r = 1/2), what is the sum of the series?

    <p>8</p> Signup and view all the answers

    Which of the following series is NOT an infinite geometric series?

    <p>1 + 3 + 5 + 7 + ...</p> Signup and view all the answers

    Which of the following scenarios is an example of an infinite geometric series?

    <p>The total distance traveled by a ball bouncing repeatedly, where the height of each bounce is half the height of the previous bounce.</p> Signup and view all the answers

    What is the inverse of the linear function defined as $f(x) = 2x + 3$?

    <p>$f^{-1}(x) = \frac{1}{2}x - \frac{3}{2}$</p> Signup and view all the answers

    Which restriction is typically placed on the domain of the quadratic function $y = ax^2$ to ensure its inverse is a function?

    <p>$x \geq 0$ if $a &gt; 0$</p> Signup and view all the answers

    Which statement is true regarding the inverse of the function $y = b^x$?

    <p>The inverse is expressed as $y = \log_b x$.</p> Signup and view all the answers

    When converting from exponential form to logarithmic form, which is the correct transformation of the equation $3^4 = 81$?

    <p>$\log_3(81) = 4$</p> Signup and view all the answers

    What is the domain of the logarithmic function $y = \log_b(x)$?

    <p>$x &gt; 0$</p> Signup and view all the answers

    What can be concluded about the graph of the function $f(x) = b^x$ when $b < 1$?

    <p>The graph is decreasing and approaches zero.</p> Signup and view all the answers

    Which of the following reflects the correct relationship between the range of $y = ax^2$ and the domain of its inverse?

    <p>The range becomes the domain of the inverse.</p> Signup and view all the answers

    Which graph characteristic describes the function $y = b^x$ where $b > 1$?

    <p>It is increasing and has a horizontal asymptote at $y = 0$.</p> Signup and view all the answers

    When finding the inverse of the quadratic function $y = ax^2$, which condition must be satisfied for it to be a valid function?

    <p>The function must be one-to-one.</p> Signup and view all the answers

    When dividing a polynomial (p(x)) by (cx - d), what is the degree of the quotient polynomial (Q(x)) relative to the degree of the original polynomial (p(x))?

    <p>The degree of (Q(x)) is one degree less than the degree of (p(x)).</p> Signup and view all the answers

    Which of the following statements about the Factor Theorem is NOT true?

    <p>The Factor Theorem states that if (cx - d) is a factor of (p(x)), then (p(x)) can be expressed as ( (cx - d) \cdot Q(x) ), where (Q(x)) is the quotient polynomial.</p> Signup and view all the answers

    When using the Factor Theorem to find a factor of a cubic polynomial, what must be true about the potential roots that are substituted into the polynomial?

    <p>The potential roots must be factors of the constant term of the polynomial.</p> Signup and view all the answers

    What is the remainder when the polynomial (p(x) = 2x^3 + 3x^2 - 5x + 1) is divided by (x - 2)?

    <p>9</p> Signup and view all the answers

    If (x + 3) is a factor of the polynomial (p(x) = x^3 + 5x^2 + 7x + 3), what is the other factor?

    <p>x^2 + 2x + 1</p> Signup and view all the answers

    In an arithmetic sequence, the first term is 5 and the common difference is -2. What is the value of the 10th term?

    <p>-9</p> Signup and view all the answers

    Which of the following is NOT a key step in solving a cubic equation using factorization methods?

    <p>Apply the Fundamental Theorem of Algebra to find all roots.</p> Signup and view all the answers

    The sum of the first five terms of an arithmetic sequence is 35. If the common difference is 2, what is the first term?

    <p>3</p> Signup and view all the answers

    Given that (x - 2) is a factor of the polynomial (p(x) = x^3 - 6x^2 + 11x - 6), which of the following is another factor?

    <p>x - 1</p> Signup and view all the answers

    What is the general formula for the sum of a finite arithmetic series, where (a) is the first term, (l) is the last term, and (n) is the number of terms?

    <p>[S_n = \frac{n}{2}(2a + (n - 1)d)]</p> Signup and view all the answers

    Which of the following statements accurately describes a one-to-one function?

    <p>Each element in the domain maps to exactly one element in the range.</p> Signup and view all the answers

    What is the relationship between the graph of a function (f(x)) and its inverse (f^{-1}(x)) when plotted on the same coordinate plane?

    <p>They are symmetrical about the line (y = x).</p> Signup and view all the answers

    If a function (f(x)) is not one-to-one, what can be concluded about its inverse?

    <p>Its inverse does not exist as a function.</p> Signup and view all the answers

    What is the primary difference between a relation and a function?

    <p>A function maps each element of one set to exactly one element in another set, while a relation can map to multiple elements.</p> Signup and view all the answers

    What is the value of the sum of the first 100 positive integers?

    <p>5050</p> Signup and view all the answers

    If the first term of an arithmetic sequence is 3 and the common difference is 5, what is the sum of the first 10 terms?

    <p>280</p> Signup and view all the answers

    Which of the following statements is true about the inverse of a function?

    <p>A function must be one-to-one for its inverse to also be a function.</p> Signup and view all the answers

    Given a function (f(x) = 2x + 1), what is the equation of its inverse function (f^{-1}(x))?

    <p>[f^{-1}(x) = \frac{x - 1}{2}]</p> Signup and view all the answers

    What is the horizontal line test used for?

    <p>To determine if a function has an inverse that is also a function.</p> Signup and view all the answers

    What does the cancellation of the term $x + 6$ in the function $y = \frac{(x + 6)(x - 2)}{x + 6}$ imply about the behavior of the function at $x = -6$?

    <p>The function does not have a defined value at $x = -6$.</p> Signup and view all the answers

    In the context of Zeno's paradox with Achilles and the tortoise, what concept does this illustrate related to limits?

    <p>That some limits can never be reached.</p> Signup and view all the answers

    What value does $y$ approach as $x$ gets closer to -6 in the function $y = \frac{x^2 + 4x - 12}{x + 6}$?

    <p>-8</p> Signup and view all the answers

    Which of the following statements best describes the graph of the function $y = \frac{x^2 + 4x - 12}{x + 6}$?

    <p>It is a straight line with a discontinuity at $x = -6$.</p> Signup and view all the answers

    What are limits primarily used for in calculus?

    <p>To analyze behaviors of functions as they approach specific points.</p> Signup and view all the answers

    What is the main conclusion about the function $y = x - 2$ derived from the original function when $x eq -6$?

    <p>It shows that the function behaves like a linear function everywhere else.</p> Signup and view all the answers

    What is the relationship between the gradients of the tangent and the normal to a curve at a given point?

    <p>The gradients are negative reciprocals of each other.</p> Signup and view all the answers

    What is the first step in finding the equation of a tangent to a curve at a given point?

    <p>Find the derivative of the function.</p> Signup and view all the answers

    If the second derivative of a function is negative at a given point, what does it indicate about the original function at that point?

    <p>The function is decreasing at that point.</p> Signup and view all the answers

    What is the effect of the coefficient 'a' on the shape of the cubic graph ( y = ax^3 + bx^2 + cx + d ) when ( a > 0 )?

    <p>The graph rises to the right and falls to the left.</p> Signup and view all the answers

    How do you find the y-intercept of a cubic function ( f(x) = ax^3 + bx^2 + cx + d )?

    <p>Substitute ( x = 0 ) into the function.</p> Signup and view all the answers

    What is the condition for a stationary point of a cubic function ( f(x) = ax^3 + bx^2 + cx + d )?

    <p>( f'(x) = 0 )</p> Signup and view all the answers

    Which of the following is NOT a common notation for the second derivative of a function?

    <p>( rac{dy}{dx} )</p> Signup and view all the answers

    How can you classify a stationary point of a cubic function as a local maximum or a local minimum?

    <p>By examining the sign change of the first derivative around the point.</p> Signup and view all the answers

    What is the purpose of finding the derivative of a function in the context of sketching a cubic graph?

    <p>To find the stationary points of the graph.</p> Signup and view all the answers

    What is the best method to find the x-intercepts of a cubic function?

    <p>All of the above.</p> Signup and view all the answers

    What expression represents the derivative of the function $f(x) = x^5$?

    <p>$5x^4$</p> Signup and view all the answers

    For the function defined as $y = k$, where $k$ is a constant, what is the derivative?

    <p>$0$</p> Signup and view all the answers

    Which of the following notations indicates differentiation with respect to $x$?

    <p>$rac{d}{dx}[f(x)]$</p> Signup and view all the answers

    When applying the limit definition, what is the value of $h$ approaching?

    <p>$0$</p> Signup and view all the answers

    What is the derivative of the sum of two functions $f(x) + g(x)$?

    <p>$rac{d}{dx}[f(x)] + rac{d}{dx}[g(x)]$</p> Signup and view all the answers

    What does the notation $D_xy$ represent?

    <p>Derivative of $y$ with respect to $x$</p> Signup and view all the answers

    What condition must be true for using the rules of differentiation rather than first principles?

    <p>When the problem does not specify how to differentiate</p> Signup and view all the answers

    Which of the following represents the derivative of the difference $f(x) - g(x)$?

    <p>$rac{d}{dx}[f(x)] - rac{d}{dx}[g(x)]$</p> Signup and view all the answers

    What is indicated by the limit process in determining a derivative?

    <p>An instantaneous rate of change</p> Signup and view all the answers

    What is the primary purpose of using first principles for differentiation?

    <p>To derive the rules for differentiation</p> Signup and view all the answers

    What does the summation symbol Σ represent?

    <p>The sum of a sequence</p> Signup and view all the answers

    What is the formula for the sum of a finite arithmetic series?

    <p>S_n = n(a + l) / 2</p> Signup and view all the answers

    What is the condition for an infinite geometric series to converge?

    <p>-1 &lt; r &lt; 1</p> Signup and view all the answers

    What is the formula for the sum of an infinite geometric series?

    <p>S_∞ = a / (1 - r)</p> Signup and view all the answers

    What is a finite geometric series?

    <p>A series with a fixed number of terms</p> Signup and view all the answers

    What is the general formula for a finite geometric series?

    <p>S_n = a(1 - r^n) / (1 - r)</p> Signup and view all the answers

    What is an arithmetic sequence?

    <p>A sequence where each term is added by a constant</p> Signup and view all the answers

    What is the formula for the nth term of an arithmetic sequence?

    <p>T_n = a + (n - 1)d</p> Signup and view all the answers

    What is the difference between a finite and infinite geometric series?

    <p>The number of terms</p> Signup and view all the answers

    What is the purpose of sigma notation?

    <p>To represent the sum of a sequence</p> Signup and view all the answers

    What is the value of loga(a)?

    <p>1</p> Signup and view all the answers

    What is the product rule of logarithms?

    <p>loga(xy) = loga(x) + loga(y)</p> Signup and view all the answers

    What is the range of the logarithmic function f(x) = log(x)?

    <p>y ∈ ℝ</p> Signup and view all the answers

    What is the formula to calculate the population growth?

    <p>A = P(1 + i)^n</p> Signup and view all the answers

    What is the application of logarithms in pH levels?

    <p>pH = -log[H+]</p> Signup and view all the answers

    What is the graph of the inverse of an exponential function?

    <p>A reflection of the original function about the line y = x</p> Signup and view all the answers

    What does it mean if the remainder R of a polynomial p(x) divided by cx - d equals zero?

    <p>The divisor cx - d is a factor of p(x).</p> Signup and view all the answers

    How is the quotient polynomial Q(x) related to the original polynomial p(x) when dividing by a linear polynomial cx - d?

    <p>Q(x) has a degree one less than p(x).</p> Signup and view all the answers

    What is the first step in solving a cubic equation using the Factor Theorem?

    <p>Substitute possible rational roots into the polynomial.</p> Signup and view all the answers

    In the context of arithmetic sequences, if the first term a is 5 and the common difference d is 3, what is the 10th term T_10?

    <p>30</p> Signup and view all the answers

    What is the relationship between the value obtained by substituting x = d/c into p(x) and the factor cx - d?

    <p>It will equal zero if cx - d is a factor.</p> Signup and view all the answers

    Which of the following correctly states the general form of a cubic polynomial divided by a linear divisor?

    <p>p(x) = (cx - d) * Q(x) + R.</p> Signup and view all the answers

    When dividing a polynomial by a divisor of the form cx - d, what type of value does the remainder R represent?

    <p>A constant value.</p> Signup and view all the answers

    Which of the following processes is NOT a standard step in solving cubic equations?

    <p>Graphing the cubic equation to find intersections.</p> Signup and view all the answers

    If the common difference d of an arithmetic sequence is negative, what does that indicate about the sequence?

    <p>The sequence is decreasing.</p> Signup and view all the answers

    When using the Quadratic Formula to solve a quadratic polynomial, what indicates that the polynomial has no real solutions?

    <p>The discriminant is negative.</p> Signup and view all the answers

    Given the linear function ( f(x) = 2x - 3 ), what is the equation of its inverse, ( f^{-1}(x) )?

    <p>( f^{-1}(x) = rac{1}{2}x + rac{3}{2} )</p> Signup and view all the answers

    What is the appropriate restriction on the domain of the quadratic function ( y = -2x^2 ) to ensure its inverse is a function?

    <p>( x \leq 0 )</p> Signup and view all the answers

    If the graph of a function and its inverse are reflected about the line ( y = x ), what is true about their x-intercepts and y-intercepts?

    <p>The y-intercepts of the function and the x-intercepts of the inverse are the same.</p> Signup and view all the answers

    What is the relationship between the domain and range of a function and its inverse?

    <p>The range of the function is the same as the domain of the inverse function.</p> Signup and view all the answers

    Which of the following statements about the exponential function ( y = b^x ) is TRUE?

    <p>The function is not defined if ( b \leq 0 ).</p> Signup and view all the answers

    What is the inverse of the exponential function ( y = 3^x )?

    <p>( y = \log_3 x )</p> Signup and view all the answers

    Which of the following equations is equivalent to the logarithmic expression ( \log_7 49 = 2 ) in exponential form?

    <p>( 7^2 = 49 )</p> Signup and view all the answers

    What is the horizontal asymptote of the logarithmic function ( y = \log_2 x )?

    <p>There is no horizontal asymptote.</p> Signup and view all the answers

    Given ( \log_3 9 = 2 ), what is the value of ( \log_3 81 )?

    <p>( 4 )</p> Signup and view all the answers

    What is the value of ( \log_2 16 )?

    <p>( 4 )</p> Signup and view all the answers

    What is the formula used to find the n-th term of an arithmetic sequence?

    <p>$T_n = a + (n - 1)d$</p> Signup and view all the answers

    How do you determine if a sequence is arithmetic?

    <p>Calculate the differences between consecutive terms.</p> Signup and view all the answers

    What indicates that a sequence is geometric?

    <p>The ratios between consecutive terms are equal.</p> Signup and view all the answers

    What does the geometric mean of two numbers a and b represent?

    <p>$ ext{Geometric Mean} = ext{sqrt}(ab)$</p> Signup and view all the answers

    What happens when $r > 1$ in a geometric sequence?

    <p>The sequence grows exponentially.</p> Signup and view all the answers

    How is the common difference in an arithmetic sequence related to its graph?

    <p>It is represented by the slope of a straight line.</p> Signup and view all the answers

    What is true about an infinite series?

    <p>It sums an infinite number of terms.</p> Signup and view all the answers

    Which statement about a series is accurate?

    <p>A series results from adding the terms of a sequence.</p> Signup and view all the answers

    What characterizes a finite series?

    <p>It sums a specific number of terms.</p> Signup and view all the answers

    What is the result of plotting a geometric sequence?

    <p>An exponential curve.</p> Signup and view all the answers

    A cubic polynomial has a y-intercept at (0, -2). What is the value of the constant term, d, in the equation (f(x) = ax^3 + bx^2 + cx + d)?

    <p>-2</p> Signup and view all the answers

    What is the relationship between the leading coefficient a of a cubic polynomial and its end behavior?

    <p>If <em>a</em> is positive, the graph goes down on the left and up on the right. If <em>a</em> is negative, the graph goes up on the left and down on the right.</p> Signup and view all the answers

    A cubic polynomial has a turning point at (x = 2). What can you conclude about the derivative of the function at (x = 2)?

    <p>The derivative is zero.</p> Signup and view all the answers

    What is the general formula for synthetic division when dividing a cubic polynomial (a_3x^3 + a_2x^2 + a_1x + a_0) by a linear polynomial (cx - d)?

    <p>[ q_2 = a_3 ] [ q_1 = a_2 + q_2 \cdot \frac{d}{c} ] [ q_0 = a_1 + q_1 \cdot \frac{d}{c} ] [ R = a_0 + q_0 \cdot \frac{d}{c} ]</p> Signup and view all the answers

    If a cubic polynomial has a point of inflection at (x = 3), what can you conclude about its second derivative at (x = 3)?

    <p>The second derivative is zero.</p> Signup and view all the answers

    Which of the following statements accurately describes the concavity of a cubic function when its second derivative is positive?

    <p>The function is concave up.</p> Signup and view all the answers

    What is the purpose of the Remainder Theorem in relation to cubic polynomials?

    <p>It determines if a linear polynomial is a factor of a cubic polynomial.</p> Signup and view all the answers

    A cubic polynomial is divided by (x - 2), resulting in a remainder of 5. What is the value of the polynomial at (x = 2)?

    <p>5</p> Signup and view all the answers

    What is the relationship between the average rate of change and the derivative of a function?

    <p>The derivative gives the instantaneous rate of change, while the average rate of change is calculated over an interval.</p> Signup and view all the answers

    Which of the following is NOT a method for factorizing cubic polynomials?

    <p>Completing the square</p> Signup and view all the answers

    What is the sum of the first 100 positive integers?

    <p>5050</p> Signup and view all the answers

    Which of the following best describes a relation where each element of the domain is associated with exactly one element of the range?

    <p>One-to-One Function</p> Signup and view all the answers

    What is the key property that guarantees a function has an inverse function?

    <p>The function must be one-to-one.</p> Signup and view all the answers

    What is the formula for the sum of a finite arithmetic series, given the first term (a), the common difference (d), and the number of terms (n)?

    <p>S_n = n/2 (2a + (n - 1)d)</p> Signup and view all the answers

    Which of the following is true about the inverse function of f(x) = 2x + 1?

    <p>The inverse function is f^{-1}(x) = (x - 1)/2</p> Signup and view all the answers

    What is the graphical representation of a function that has an inverse that is also a function?

    <p>Every horizontal line intersects the graph at most once.</p> Signup and view all the answers

    Given a function f(x) and its inverse f^{-1}(x), what is the relationship between their graphs?

    <p>They are reflections of each other across the line y = x.</p> Signup and view all the answers

    If a function f(x) is not one-to-one, what can be said about its inverse?

    <p>Its inverse does not exist.</p> Signup and view all the answers

    What is the first step in finding the inverse function of f(x) = 3x - 2?

    <p>Interchange x and y.</p> Signup and view all the answers

    Which of the following functions has an inverse that is also a function?

    <p>f(x) = x^3</p> Signup and view all the answers

    What is the sign of f''(x) for a concave up graph?

    <p>f''(x) &gt; 0</p> Signup and view all the answers

    What is the application of differential calculus in optimisation problems?

    <p>To determine the stationary points of a function</p> Signup and view all the answers

    What is the formula for synthetic division?

    <p>q_2 = a_3, q_1 = a_2 + q_2 * d/c, q_0 = a_1 + q_1 * d/c, R = a_0 + q_0 * d/c</p> Signup and view all the answers

    What is the purpose of finding the y-intercept of a cubic polynomial?

    <p>To determine the graph's shape and position</p> Signup and view all the answers

    In Zeno's Achilles and the Tortoise paradox, what mathematical concept is demonstrated by the tortoise seemingly always staying ahead, despite Achilles' speed?

    <p>The concept of a limit.</p> Signup and view all the answers

    What is the condition for a point of inflection?

    <p>f''(x) = 0 and changes sign</p> Signup and view all the answers

    What is the application of differential calculus in rates of change?

    <p>To find the rate of change of a quantity</p> Signup and view all the answers

    Why is the function (y = \frac{x^2 + 4x - 12}{x + 6}) undefined when (x = -6)?

    <p>Because the denominator becomes zero.</p> Signup and view all the answers

    What happens to the function (y = \frac{x^2 + 4x - 12}{x + 6}) as (x) approaches -6?

    <p>The function approaches -8.</p> Signup and view all the answers

    What is the general form of a cubic polynomial?

    <p>f(x) = ax^3 + bx^2 + cx + d</p> Signup and view all the answers

    What is the graphical representation of the function (y = \frac{x^2 + 4x - 12}{x + 6})?

    <p>A straight line with a hole at (x = -6).</p> Signup and view all the answers

    What is the method used to find the x-intercepts of a cubic polynomial?

    <p>Solving the equation f(x) = 0</p> Signup and view all the answers

    What is the purpose of the Remainder Theorem?

    <p>To find the remainder of a polynomial division</p> Signup and view all the answers

    What is the limit of the function (y = \frac{x^2 + 4x - 12}{x + 6}) as (x) approaches -6?

    <p>The limit is -8.</p> Signup and view all the answers

    Which of these statements about the concept of a limit is TRUE?

    <p>Limits describe how a function behaves as its input approaches a specific value.</p> Signup and view all the answers

    What is the derivative of the function (f(x) = x^3 + 2x^2 - 5x + 1) using the rules of differentiation?

    <p>(f'(x) = 3x^2 + 4x - 5)</p> Signup and view all the answers

    Which of the following notations represents the derivative of (y) with respect to (x)?

    <p>(rac{dy}{dx})</p> Signup and view all the answers

    What is the derivative of the function (f(x) = 5x^2 - 3x + 2) using the rules of differentiation?

    <p>(f'(x) = 10x - 3)</p> Signup and view all the answers

    What is the derivative of the function (f(x) = rac{1}{x}) using the rules of differentiation?

    <p>(f'(x) = -rac{1}{x^2})</p> Signup and view all the answers

    Which of the following is NOT a valid notation for the derivative of the function (f(x))?

    <p>(f(x'))</p> Signup and view all the answers

    What is the gradient of the tangent to the curve (y = x^2 + 3x - 2) at the point where (x = 1)?

    <p>5</p> Signup and view all the answers

    What is the equation of the tangent to the curve (y = x^3 - 2x + 1) at the point ((1, 0))?

    <p>(y = x - 1)</p> Signup and view all the answers

    What is the derivative of the function (f(x) = \sqrt{x}) using the rules of differentiation?

    <p>(f'(x) = rac{1}{2\sqrt{x}})</p> Signup and view all the answers

    What is the derivative of the function (f(x) = (x + 2)^2) using the rules of differentiation?

    <p>(f'(x) = 2x + 4)</p> Signup and view all the answers

    Which of the following statements is TRUE about the derivative of a constant function?

    <p>The derivative is always zero.</p> Signup and view all the answers

    What is the formula for the sum of a finite arithmetic series?

    <p>Sn = (n/2)(a + l)</p> Signup and view all the answers

    What is the condition for a function to have an inverse that is also a function?

    <p>The function must be one-to-one</p> Signup and view all the answers

    What is the graphical representation of an inverse function?

    <p>The graph of the inverse function is the reflection of the original function's graph across the line y = x</p> Signup and view all the answers

    What is the formula for finding the sum of the first n integers?

    <p>Sn = (n/2)(2n + 1)</p> Signup and view all the answers

    What is the definition of a function?

    <p>A function is a relation where each element in the domain maps to exactly one element in the range</p> Signup and view all the answers

    What is the purpose of the horizontal line test?

    <p>To determine if a function is one-to-one</p> Signup and view all the answers

    What is the formula for the inverse of a function f(x)?

    <p>f^(-1)(x) is the reflection of f(x) across the line y = x</p> Signup and view all the answers

    What is the difference between a one-to-one function and a many-to-one function?

    <p>A one-to-one function maps each element in the domain to exactly one element in the range, while a many-to-one function maps each element in the domain to at least one element in the range</p> Signup and view all the answers

    What is the notation for the inverse of a function f(x)?

    <p>f^(-1)(x)</p> Signup and view all the answers

    What is the key property of an inverse function?

    <p>An inverse function undoes the operation of the original function</p> Signup and view all the answers

    What is the range of the logarithmic function f(x) = log x?

    <p>y ∈ ℝ</p> Signup and view all the answers

    What is the formula for the population growth of a city at a constant rate?

    <p>A = P(1 + i)^n</p> Signup and view all the answers

    What is the purpose of logarithms in financial calculations?

    <p>To calculate loan repayments and interest rates</p> Signup and view all the answers

    What is the graph of the inverse of an exponential function?

    <p>A reflection of the original function about the line y = x</p> Signup and view all the answers

    What is the logarithmic identity log_a(a) equal to?

    <p>1</p> Signup and view all the answers

    What is the logarithmic identity log_a(1) equal to?

    <p>0</p> Signup and view all the answers

    What is the primary method to verify if a sequence is arithmetic?

    <p>Check if the difference between consecutive terms is constant.</p> Signup and view all the answers

    How is the arithmetic mean of two numbers defined?

    <p>The average of the two numbers.</p> Signup and view all the answers

    What characteristic defines a geometric sequence?

    <p>Each term is a fixed multiple of the preceding term.</p> Signup and view all the answers

    In the context of geometric sequences, what does the common ratio represent?

    <p>The factor by which each term is multiplied to get the next term.</p> Signup and view all the answers

    Which formula is used to find the n-th term of a geometric sequence?

    <p>T_n = ar^{n-1}</p> Signup and view all the answers

    Which type of graph represents an arithmetic sequence?

    <p>A straight line.</p> Signup and view all the answers

    What happens to a geometric sequence if the common ratio is less than one but greater than zero?

    <p>The terms decay exponentially.</p> Signup and view all the answers

    What is the definition of a series in mathematical terms?

    <p>The sum of the terms in a sequence.</p> Signup and view all the answers

    What notation is commonly used to represent the sum of terms in a sequence?

    <p>Sigma notation.</p> Signup and view all the answers

    What is an important characteristic of a finite series?

    <p>It only includes specific terms of a sequence.</p> Signup and view all the answers

    Given a polynomial ( p(x) ) and a divisor ( cx - d ), what is the formula for the remainder ( R ) when ( p(x) ) is divided by ( cx - d )?

    <p>( R = p \left( rac{d}{c} ight) )</p> Signup and view all the answers

    What is the relationship between the degree of the original polynomial ( p(x) ) and the degree of the quotient polynomial ( Q(x) ) when dividing ( p(x) ) by a linear polynomial ( cx - d )?

    <p>The degree of ( Q(x) ) is one less than the degree of ( p(x) ).</p> Signup and view all the answers

    What is the general form of a polynomial ( p(x) ) when divided by a linear polynomial ( cx - d ) ?

    <p>( p(x) = (cx - d) \cdot Q(x) + R )</p> Signup and view all the answers

    What is the relationship between the roots of a polynomial and its factors?

    <p>If ( x = rac{d}{c} ) is a root of ( p(x) ), then ( cx - d ) is a factor of ( p(x) ).</p> Signup and view all the answers

    What is the condition for a linear polynomial ( cx - d ) to be a factor of a polynomial ( p(x) )?

    <p>The remainder ( R ) must be equal to 0.</p> Signup and view all the answers

    Given a polynomial ( p(x) ) and a factor ( cx - d ), how can ( p(x) ) be expressed in terms of the factor and the quotient polynomial ( Q(x) )?

    <p>( p(x) = (cx - d) \cdot Q(x) )</p> Signup and view all the answers

    What is the first step in solving a cubic equation of the form ( ax^3 + bx^2 + cx + d = 0 ) using factorization methods?

    <p>Identify a factor using the Factor Theorem.</p> Signup and view all the answers

    If a polynomial ( p(x) ) has a root ( rac{d}{c} ), what can be concluded about the polynomial?

    <p>The polynomial ( p(x) ) can be factorized as ( (cx - d) \cdot Q(x) ), where ( Q(x) ) is the quotient polynomial.</p> Signup and view all the answers

    What is the general formula for the (n)-th term of an arithmetic sequence?

    <p>(T_n = a + (n - 1)d )</p> Signup and view all the answers

    What is the purpose of the Factor Theorem in solving cubic equations?

    <p>It helps to find a linear factor of the cubic equation, which simplifies the factorization process.</p> Signup and view all the answers

    What is the general form of the inverse of a linear function defined as $y = ax + q$?

    <p>$f^{-1}(x) = rac{1}{a}x - rac{q}{a}$</p> Signup and view all the answers

    Which of the following restrictions is typically applied to the domain of the quadratic function $y = ax^2$ to ensure the inverse is a function?

    <p>$x ext{ must be non-negative or non-positive based on } a$</p> Signup and view all the answers

    What is the inverse of the exponential function $y = b^x$?

    <p>$y = ext{log}_b(x)$</p> Signup and view all the answers

    Which of the following correctly describes the range of the exponential function $y = b^x$ when $b > 1$?

    <p>$y ext{ is greater than or equal to 0}$</p> Signup and view all the answers

    What is the shape of the graph of the logarithmic function $y = ext{log}_b(x)$?

    <p>Increasing</p> Signup and view all the answers

    What intercept characterizes the logarithmic function $y = ext{log}_b(x)$?

    <p>(1, 0)</p> Signup and view all the answers

    Which statement is true regarding the summation symbol $\Sigma$?

    <p>It denotes the sum of terms in a sequence from a lower bound to an upper bound.</p> Signup and view all the answers

    If $x = b^y$, how would you express $y$ in terms of $x$?

    <p>$y = ext{log}_b(x)$</p> Signup and view all the answers

    Which of these is a property of the graph of an exponential function when $0 < b < 1$?

    <p>It decreases to zero but never touches the x-axis.</p> Signup and view all the answers

    What condition must be satisfied for an infinite geometric series to converge?

    <p>The common ratio must satisfy $-1 &lt; r &lt; 1$.</p> Signup and view all the answers

    Which statement about the domain of the logarithmic function $y = ext{log}_b(x)$ is true?

    <p>$x &gt; 0$</p> Signup and view all the answers

    In the formula for a finite geometric series $S_n = \frac{a(1 - r^n)}{1 - r}$, what does the variable $,a,$ represent?

    <p>The first term of the geometric sequence.</p> Signup and view all the answers

    Which of the following represents a prerequisite for a series to be classified as convergent?

    <p>The sum must approach a fixed number as more terms are added.</p> Signup and view all the answers

    Which feature is characteristic of the logarithmic function?

    <p>Its graph approaches the y-axis.</p> Signup and view all the answers

    In an arithmetic sequence characterized by the common difference $d$, how is the $n$-th term $T_n$ determined?

    <p>$T_n = a + (n - 1) d$</p> Signup and view all the answers

    What does the notation $S_n$ represent in the context of finite series?

    <p>The sum of the first $n$ terms of a sequence.</p> Signup and view all the answers

    Which formula is used to calculate the sum of an infinite geometric series, given that it converges?

    <p>$S_\infty = \frac{a}{1 - r}$</p> Signup and view all the answers

    When evaluating the formula for a finite geometric series, what does $r$ represent?

    <p>The common ratio between consecutive terms.</p> Signup and view all the answers

    What is a characteristic of a finite series compared to an infinite series?

    <p>A finite series consists of finite terms summed up to a limit.</p> Signup and view all the answers

    Considering the series defined by $T_n = a imes r^{(n-1)}$, what type of sequence does this represent?

    <p>Geometric sequence with constant ratio.</p> Signup and view all the answers

    What is the relationship between the gradients of the tangent and the normal to a curve at a given point?

    <p>The product of the gradients of the tangent and the normal is equal to -1.</p> Signup and view all the answers

    Which of the following statements is TRUE about the second derivative of a function?

    <p>The second derivative represents the rate of change of the first derivative.</p> Signup and view all the answers

    To find the equation of a tangent line to a curve at a given point, what is the first step?

    <p>Find the derivative of the function representing the curve.</p> Signup and view all the answers

    What does the coefficient 'a' in the cubic function ( f(x) = ax^3 + bx^2 + cx + d ) determine?

    <p>The steepness of the graph.</p> Signup and view all the answers

    Which of the following is NOT a valid notation for the second derivative of a function ( y = f(x) )?

    <p>( y' )</p> Signup and view all the answers

    What is the purpose of finding the first derivative of a cubic function ( f(x) = ax^3 + bx^2 + cx + d )?

    <p>To find the stationary points on the graph.</p> Signup and view all the answers

    How do you find the y-intercept of a cubic function ( f(x) = ax^3 + bx^2 + cx + d )?

    <p>Set ( x = 0 ) and solve for ( y ).</p> Signup and view all the answers

    Which of the following statements is TRUE about the stationary points of a cubic function?

    <p>Stationary points can be either local maxima or local minima.</p> Signup and view all the answers

    What is the relationship between the second derivative and the concavity of a function?

    <p>If the second derivative is positive, the function is concave up.</p> Signup and view all the answers

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