Question 1

Given the graph of the function $$f$$ shown, what is the value of $$f(-8)$$?

Accepted Answer

$$-4$$

Question 2

For the function $$f(x) = \dfrac{x+2}{x-6}$$, what is the domain of $$f$$?

Accepted Answer

$$x 
eq 6$$

Question 3

Which graph best represents the height of a golf ball hit with a 7-iron as a function of time?

Accepted Answer

Graph (A)

Question 4

If $$f(x) = \dfrac{x+2}{x-6}$$ and $$f(x) = 2$$, what value(s) of $$x$$ satisfy this equation?

Accepted Answer

$$x = 2$$

Question 5

On the graph of $$f$$ shown, for which value(s) of $$x$$ does $$f(x) = 0$$?

Accepted Answer

$$x = -10, -5, 0, 5$$

Question 6

Which of the following best describes the range of the function $$f$$ shown in the first image?

Accepted Answer

$$[-4, 10]$$

Question 7

For the function $$f(x) = \dfrac{x+2}{x-6}$$, what is the $$y-$$intercept?

Accepted Answer

$$(0, -\dfrac{1}{3})$$

Question 8

Which graph best represents the temperature of a bowl of soup as a function of time?

Accepted Answer

Graph (B)

Question 9

How many times does the line $$y = 5$$ intersect the graph of $$f$$ shown in the first image?

Accepted Answer

4

Question 10

If $$x = 4$$, what is $$f(x)$$ for $$f(x) = \dfrac{x+2}{x-6}$$?

Accepted Answer

$$-3$$

Question 11

Which graph best represents the number of hours of daylight per day over a 2-year period?

Accepted Answer

Graph (E)

Question 12

For the function $$f(x) = \dfrac{x+2}{x-6}$$, what is the $$x-$$intercept?

Accepted Answer

$$( -2, 0 )$$

Question 13

Which graph best represents the distance traveled by a car going at a constant velocity as a function of time?

Accepted Answer

Graph (C)

Question 14

For what value(s) of $$x$$ does $$f(x) = -2 on $$the graph shown in the first image?

Accepted Answer

$$x \approx 6.5$$

Question 15

Is the point $$(3, 14) on $$the graph of $$f(x) = \dfrac{x+2}{x-6}$$?

Accepted Answer

No, because $$f(3) = -\dfrac{5}{3}$$

Question 16

Which graph best represents the population of Florida as a function of time?

Accepted Answer

Graph (D)

Study Guide: Graphs of Functions and Their Properties (Precalculus Section 2.2)

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