Podcast
Questions and Answers
Use the graph of the function to find the ______ and range of f. (Enter your answers using interval notation.)
Use the graph of the function to find the ______ and range of f. (Enter your answers using interval notation.)
domain
When using the Vertical Line Test, if any vertical line intersects the graph more than once, it is not a ______ of x.
When using the Vertical Line Test, if any vertical line intersects the graph more than once, it is not a ______ of x.
function
To find the ______ of the function algebraically, set f(x) = 0 and solve for x.
To find the ______ of the function algebraically, set f(x) = 0 and solve for x.
zeros
To determine open intervals where a function is increasing, decreasing, or constant, analyze the ________ of the function.
To determine open intervals where a function is increasing, decreasing, or constant, analyze the ________ of the function.
When determining where a function is increasing, decreasing, or constant, the intervals should be expressed as open ______.
When determining where a function is increasing, decreasing, or constant, the intervals should be expressed as open ______.
Use a graphing utility to graph the function and visually determine the open ______ on which the function is increasing, decreasing, or constant.
Use a graphing utility to graph the function and visually determine the open ______ on which the function is increasing, decreasing, or constant.
To verify results regarding increasing, decreasing, or constant intervals, create a ______ of values.
To verify results regarding increasing, decreasing, or constant intervals, create a ______ of values.
The ______ rate of change of the function from $x_1$ to $x_2$ is the slope of the secant line passing through the points $(x_1, f(x_1))$ and $(x_2, f(x_2))$.
The ______ rate of change of the function from $x_1$ to $x_2$ is the slope of the secant line passing through the points $(x_1, f(x_1))$ and $(x_2, f(x_2))$.
To determine whether a function is even, odd, or neither, one must analyze its ______.
To determine whether a function is even, odd, or neither, one must analyze its ______.
The graph of an even function is symmetric with respect to the ______.
The graph of an even function is symmetric with respect to the ______.
Applying the Vertical Line Test to a graph is a visual technique used to determine if it represents $y$ as a ______ of $x$.
Applying the Vertical Line Test to a graph is a visual technique used to determine if it represents $y$ as a ______ of $x$.
When a function is neither even nor odd, it possesses ______ symmetry.
When a function is neither even nor odd, it possesses ______ symmetry.
A ______ function satisfies the condition $f(x) = f(-x)$ for all $x$ in its domain.
A ______ function satisfies the condition $f(x) = f(-x)$ for all $x$ in its domain.
If $h(x) = x^2 - 1$, the result of $h(-x)$ will show if the function is even, odd, or ______.
If $h(x) = x^2 - 1$, the result of $h(-x)$ will show if the function is even, odd, or ______.
Functions like $f(x) = 6x^{3/2}$ that exhibit no symmetry are classified as ______.
Functions like $f(x) = 6x^{3/2}$ that exhibit no symmetry are classified as ______.
To analyze a function's intervals of increasing, decreasing, or being constant, the correct type of ______ must be used.
To analyze a function's intervals of increasing, decreasing, or being constant, the correct type of ______ must be used.
When visually examining a graph, areas where the $y$-values rise as $x$ increases indicate the function is ______.
When visually examining a graph, areas where the $y$-values rise as $x$ increases indicate the function is ______.
A secant line is used to compute the ______ rate of change between two points on the graph.
A secant line is used to compute the ______ rate of change between two points on the graph.
For the function $f(x) = x^2 - 4x + 9$, understanding how to compute its average ______ of change helps analyze its behavior.
For the function $f(x) = x^2 - 4x + 9$, understanding how to compute its average ______ of change helps analyze its behavior.
Symmetry about the y-axis is a key indicator of an ______ function.
Symmetry about the y-axis is a key indicator of an ______ function.
The domain of a function is described using interval ______.
The domain of a function is described using interval ______.
When a function's output does not increase or decrease over an interval, it is considered ______ on that interval.
When a function's output does not increase or decrease over an interval, it is considered ______ on that interval.
Visually, the zeros of a function correspond to the points where the function's graph intersects the ______
Visually, the zeros of a function correspond to the points where the function's graph intersects the ______
Points such as relative minimums or maximums help summarize function traits and should be ______.
Points such as relative minimums or maximums help summarize function traits and should be ______.
Flashcards
Domain of a function
Domain of a function
The set of all possible input values (x-values) for which a function is defined.
Range of a function
Range of a function
The set of all possible output values (y-values) that a function can produce.
Vertical Line Test
Vertical Line Test
A test to determine if a graph represents a function. If any vertical line intersects the graph more than once, it is not a function.
Zeros of a function
Zeros of a function
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Increasing interval
Increasing interval
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Decreasing interval
Decreasing interval
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Constant interval
Constant interval
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Relative Minimum
Relative Minimum
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Relative Maximum
Relative Maximum
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Even Function
Even Function
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Odd Function
Odd Function
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Average Rate of Change
Average Rate of Change
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Study Notes
- This is homework for MTH 112 PreCalculus Algebra, Spring 2025, section 20380, MW 10:00.
- The assignment is 1.5 Analyzing Graphs of Functions.
- The due date for this assignment has passed and no changes can be made. The score is 72/75, or 96.0%.
Analyzing Graphs of Functions:
- For the function graphed:
- Domain: (-2,2]
- Range: [-4,5]
- f(-1) = -4
- f(0) = -3
- f(1) = -4
- f(2) = 5
- For the function graphed:
- Domain: [-1,∞)
- Range: (-∞,7.5]
- f(-1) = 4
- f(0) = 3
- f(2) = 7
- f(3) = 0
- For the function graphed:
- Domain: (-∞,1]∪(1,∞)
- Range: (-3,∞)∪[4,8)
- f(2) = 3
- f(1) = 4
- f(3) = 3
- f(-1) = 6
- For the function graphed:
- Domain: (-∞,∞)
- Range: (-∞,4]
- f(-3) = -5
- f(2) = 0
- f(0) = 4
- f(3) = -5
- The graph does not represent y as a function of x based on the vertical line test.
- The graph does represent y as a function of x based on the vertical line test.
- Given f(x) = 2x^2 - 3x - 20, the zeros of the function are x = 4, -5/2.
- Given f(x) = x^3/7 - 2x, the zeros of the function are x = 0, √14, -√14.
- Given f(x) = 9x^3 - 72x^2 - x + 8, the zeros of the function are x = 8, 1/3, -1/3.
- Given f(x) = 6x/(x+1), the zeros of the function is x = 1/6.
- Given f(x) = (x + 6) / (2x^2 - 12), the zero of the function is x=-6.
- Given f(x) = x^2 - 6x:
- Increasing interval: (3,∞)
- Decreasing interval: (-∞, 3)
- Constant: DNE
- Given f(x) = √(x^2-9):
- Increasing interval: (3,∞)
- Decreasing interval: (-∞,-3)
- Constant: DNE
- Given f(x) = x^3 - 6x^2 + 2:
- Increasing interval: (-∞,0)∪(4,∞)
- Decreasing interval: (0,4)
- Constant: DNE
- Given f(x) = |x + 3| + |x - 3|:
- Increasing interval: (3,∞)
- Decreasing interval: (-∞,-3)
- Constant interval: (-3,3)
- Given f(x) = {2x + 2, x ≤ -1; x^2 - 1, x > -1}:
- Increasing interval: (-∞,-1)∪(0,∞)
- Decreasing interval: (-1,0)
- Constant: DNE
- Given f(x) = 2x^4 - 4x^2:
- Increasing intervals: (-1,0)∪(1,∞)
- Decreasing intervals: (-∞,-1)∪(0,1)
- Constant: DNE
- The average rate of change of f(x) = x^2 - 4x + 9 from x₁ = 1 to x₂ = 6 is 3.0.
- The function f(x) = x^6 - 2x^2 + 5 is even with y-axis symmetry.
- The function g(x) = x^3 - 5x is odd with origin symmetry.
- The function f(s) = 6s^(3/2) is neither even nor odd and has no symmetry.
- h(x) = x^2 - 1 is an even function.
- For the given graph:
- Domain: [-4,5)
- Range: [0, 9]
- Zero of f: (3,0)
- Increasing intervals: (-4,0)∪(3,5)
- Decreasing interval: (0,3)
- The function is neither.
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