Exam Instructions for Quiz 11
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Questions and Answers

Which materials are prohibited in the exam room?

  • Electronic devices and calculators (correct)
  • All writing instruments
  • Textbooks and study guides
  • Personal notes and chalkboards
  • What is the maximum number of questions on the exam?

  • 25 (correct)
  • 20
  • 30
  • 35
  • What should be used to fill out the scantron sheet?

  • Pen
  • #2 pencil (correct)
  • #1 pencil
  • Colored marker
  • When may students leave the room during the exam?

    <p>Only after turning in the exam (C)</p> Signup and view all the answers

    What is the penalty for violating the exam rules?

    <p>Severe penalties, potentially including reporting to the Dean (B)</p> Signup and view all the answers

    At what time does the earliest a student can leave the exam?

    <p>8:20 AM (D)</p> Signup and view all the answers

    What must students do when time is called at the end of the exam?

    <p>Put down all writing instruments and remain seated (C)</p> Signup and view all the answers

    What should be written in the Test/Quiz number box on the scantron?

    <p>11 (A)</p> Signup and view all the answers

    What is the limit as x approaches 3 from the left for the function f(x)?

    <p>−∞ (B)</p> Signup and view all the answers

    Which expression represents the quantity ln(x + 4) − ln(x) − ln(x³ + 10) as a single logarithm?

    <p>ln((x³ + 10)/(x(x + 4)³)) (C)</p> Signup and view all the answers

    At what time will there be 300 bacteria present in the population growing exponentially?

    <p>ln(3)/ln(2) (D)</p> Signup and view all the answers

    What is the expression for the inverse function f⁻¹(x) if f(x) = 5 + √(2x − 8)?

    <p>(x − 5)³ + 8 (B)</p> Signup and view all the answers

    If a farmer wants 100 square feet of area, what is the minimum amount of fence needed for a rectangular field?

    <p>10√2 (C)</p> Signup and view all the answers

    What is the expression for the maximum and minimum values of f(x) = 3 sin x + cos x on the interval [0, π]?

    <p>4 and 0 (D)</p> Signup and view all the answers

    What is the least amount of fence required for a field with dimensions that optimize area along a river?

    <p>50 (C)</p> Signup and view all the answers

    What is the derivative of the function g(x) defined as the integral from 0 to x^3 of sin(2t) dt?

    <p>2x^3 sin(2x^3) (B)</p> Signup and view all the answers

    Which statement is true regarding the concavity and inflection points of the function f(x) = 13x^3 + 12x^2 - 2x?

    <p>The function is both concave up and increasing on the specified intervals. (B)</p> Signup and view all the answers

    What is the area change rate under the ladder when its top is 4 feet above the ground, given that the base is pulled away at 2 ft/sec?

    <p>-23 ft²/sec (B)</p> Signup and view all the answers

    What is the expected limit as x approaches zero for the expression 3e^x - 1?

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

    Which answer provides the correct form of the limit when using the definition of the derivative to find f'(1) for f(x) = 5x² - 7x?

    <p>f'(1) = lim (3 + 7h) as h → 0 (A)</p> Signup and view all the answers

    Which equation represents the tangent line to the curve at the point (1, 1) for 2y^4 - x²y = x³?

    <p>y = (59/9)x + (4/9) (D)</p> Signup and view all the answers

    Which integral result is correct when integrating sin(x) from 0 to x?

    <p>−cos(x) (B)</p> Signup and view all the answers

    What type of function is represented by f(x) = 5x² - 7x in terms of its derivative properties?

    <p>It represents a quadratic function. (A)</p> Signup and view all the answers

    Which of the following statements about the function f, given that f(2) = 4 and f(6) = 8, is correct?

    <p>There is a c in (2, 6) such that f'(c) = 1. (C), There is a c in (2, 6) such that f(c) = 6. (D)</p> Signup and view all the answers

    When the graph of the derivative of a function f is provided, which statement related to f(x) is NOT always true?

    <p>f(x) is concave down on (0, 2). (C)</p> Signup and view all the answers

    How fast is the radius of a spherical balloon increasing when it is inflated at a constant rate of 100 in³/s and the radius is 5 in?

    <p>5π (B)</p> Signup and view all the answers

    If g(e) = 4 and g'(e) = 2, what is y' at x = e if y = xg(x)?

    <p>2e^4 + 4e^3 (A)</p> Signup and view all the answers

    Which of the following correctly describes the conditions under which a differentiable function must have a particular value in the interval?

    <p>If the function values at endpoints differ, the intermediate value condition holds. (C)</p> Signup and view all the answers

    Assuming the volume of a sphere V = 4/3 πr³, what is the relationship between volume and radius in the context of the rate of change?

    <p>Volume increases with the cube of radius. (C)</p> Signup and view all the answers

    Given g(e) = 4 and g'(e) = 2, what initial condition is crucial for finding y' in the function defined by y = xg(x)?

    <p>Both g and g' at x = e. (D)</p> Signup and view all the answers

    In terms of asymptotic behavior, which statement about functions is accurate?

    <p>A function with a horizontal asymptote never reaches that value. (A), A function can have both vertical and horizontal asymptotes simultaneously. (C)</p> Signup and view all the answers

    What is the value of $\int_3^7 3f(x) , dx$ given that $\int_3^7 f(x) , dx = 11$?

    <p>8 (E)</p> Signup and view all the answers

    Which of the following functions approaches a limit of 2 as $x$ approaches infinity?

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

    If $\lim_{x \to 0} f(x) = \infty$ and $\lim_{x \to 0} g(x) = 0$, what can be concluded about $\lim_{x \to 0} f(x)g(x)$?

    <p>The limit may or may not exist. If it exists, it can be any number. (B)</p> Signup and view all the answers

    What is the maximum area of a rectangle inscribed in the region above the x-axis and below the parabola $y = 12 - x^2$?

    <p>24 (B)</p> Signup and view all the answers

    Evaluate the limit $\lim_{x \to 2} \frac{\ln(\tan(\frac{\pi x}{4})}{\frac{2}{4}}$.

    <p>$-\frac{\pi}{4}$ (B)</p> Signup and view all the answers

    Determine the value of the integral $\int_{e^{25}}^{e^{49}} \frac{p}{x \ln(x)} , dx$.

    <p>2 (E)</p> Signup and view all the answers

    Find the limits $\lim_{x \to 3^-} f(x)$ and $\lim_{x \to -3} f(x)$ where $f(x) = \frac{x+3}{9 - x^2}$.

    <p>$\lim_{x \to 3^-} f(x) = \infty$; $\lim_{x \to -3} f(x)$ does not exist. (C)</p> Signup and view all the answers

    Study Notes

    Exam Instructions

    • Students should ensure their exam booklet matches the color of the scantron (green).
    • Write "11" in the TEST/QUIZ NUMBER boxes on the scantron.
    • Use a #2 pencil for the scantron.
    • Fill in your name, section number, test/quiz number (11), and student ID number on the scantron.
    • The exam has 25 questions, each worth 4 points.
    • Answer choices should be marked on the scantron.
    • Use the exam booklet for calculations and the back of pages for scrap paper.
    • Submit both the scantron and the exam booklet.
    • Students may leave the exam room if they finish before 9:50 AM.
    • Students must remain in the room until 9:50 AM if they do not finish the exam.
    • Students must not open the exam before instructed to do so.
    • Students must follow the instructions of the proctors, TAs, and lecturers.
    • Students cannot leave the exam room during the first 20 or last 10 minutes.
    • No books, notes, calculators, or electronic devices are allowed in the exam room.
    • Students cannot communicate with other students or look at others' tests, except with the TA/lecturer if they have questions.
    • After the exam, students must remain seated until their materials are collected by the TA.

    Exam Policies

    • Students must follow all orders and requests by proctors, TAs, and lecturers.
    • Students must not leave during the first 20 minutes or the last 10 minutes of the exam.
    • No books, notes, calculators, or electronic devices are allowed; and they must not be visible in the exam room.
    • Students may not communicate with other students, except with the TA or lecturer if they have a question.
    • After the exam ends, students must remain seated until the TAs collect their scantrons and exams.
    • Violations of exam rules may result in severe penalties, and those cases will be reported to the Dean of Students.

    Exam Questions (Page 2-14)

    • The questions cover various calculus topics, including derivatives, integrals, and limits.
    • Problems involve equations, graphs, and different types of mathematical processes.

    Additional Information

    • Specific problems cover topics such as finding points on a function with particular tangent slopes to a given function, determining integrals of trigonometric functions, finding derivatives using the definition, evaluating limits, applying calculus concepts to real-world scenarios, determining functions, which have specific limits.
    • Additional problems address topics such as finding tangent lines to curves, applying calculus concepts, identifying inflection points in graphs, finding maximum areas of shapes, finding asymptotes in functions and more.

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    Description

    This quiz contains detailed instructions for students about how to properly prepare for and participate in exam 11. It outlines the use of materials, exam format, and specific rules regarding conduct in the exam room.

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