Question 1

Given the graph above, which of the following best represents the domain of the function $$h(x)$$?

Accepted Answer

$$(-2, 3]$$

Question 2

Based on the graph above, what is the range of the function $$h(x)$$?

Accepted Answer

$$[-2, 2.5]$$

Question 3

What is the $$y-$$intercept of the function $$h(x) as $$shown in the graph above?

Accepted Answer

$$(0, -1)$$

Question 4

For which value(s) of $$x$$ does $$h(x) = 0$$ according to the graph above?

Accepted Answer

$$x = -1$$ and $$x = 2$$

Question 5

On which interval is the function $$h(x)$$ increasing, based on the graph above?

Accepted Answer

$$(-1, 1)$$

Question 6

Which of the following best describes the behavior of $$h(x) as$$ $$x$$ approaches $$-2$$ from the right?

Accepted Answer

$$h(x)$$ approaches $$-2$$

Question 7

If the graph above represents $$h(x)$$, which of the following statements is true?

Accepted Answer

The function $$h(x)$$ has a maximum value at $$x = 1.$$

Question 8

Estimate the value of $$h(2)$$ using the graph above.

Accepted Answer

$$h(2) \approx 2$$

Question 9

Which of the following intervals describes where $$h(x) is $$decreasing?

Accepted Answer

$$(-2, -1)$$ and $$(1, 3]$$

Question 10

Suppose the graph above models the height (in meters) of a ball thrown into the air as a function of time (in seconds). At what time does the ball reach its maximum height?

Accepted Answer

$$t = 1$$

Precalculus Practice Test Guidance: Lines, Functions, Quadratics, and Applications

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