Question 1

Which of the following graphs represents a function?

Accepted Answer

The graph in $$image_1 ($$piecewise curve with open circles)

Question 2

For the function $$f(x)$$ shown in $$image_1$$, what is the domain?

Accepted Answer

$$[-3, 5)$$

Question 3

For the function $$f(x) in$$ $$image_1$$, on which interval is the function decreasing?

Accepted Answer

$$(-3, -1)$$

Question 4

Which graph shows a function that is constant for $$x \u003c 0$$?

Accepted Answer

$$image_3$$

Question 5

Which graph fails the vertical line test and is NOT a function?

Accepted Answer

$$image_5$$

Question 6

For the function $$f(x) in$$ $$image_2$$, what is the end behavior as $$x 	o \infty$$?

Accepted Answer

$$f(x) 	o -\infty$$

Question 7

For the function $$f(x) in$$ $$image_3$$, what is the range?

Accepted Answer

$$[1, 3]$$

Question 8

Which graph represents a function with a local maximum at $$x = 0$$?

Accepted Answer

$$image_2$$

Question 9

For the function $$f(x) in$$ $$image_1$$, what is $$f(0)$$?

Accepted Answer

$$f(0) = -2$$

Question 10

Which graph shows a function that is increasing for all $$x$$?

Accepted Answer

None of the graphs

Question 11

For the function $$f(x) in$$ $$image_1$$, what is the y-intercept?

Accepted Answer

$$y = -2$$

Question 12

Which graph represents a function with a minimum value at $$x = 2$$?

Accepted Answer

$$image_1$$

Question 13

Which graph represents a function that is neither even nor odd?

Accepted Answer

$$image_1$$

Question 14

For the function $$f(x) in$$ $$image_2$$, what is the value of $$f(0)$$?

Accepted Answer

$$f(0) = 3$$

Question 15

Which graph represents a function with a jump discontinuity?

Accepted Answer

$$image_3$$

Question 16

Which graph represents a function that is one-to-one?

Accepted Answer

$$image_4$$

Question 17

For the function $$f(x) in$$ $$image_1$$, what is the value of $$f(5)$$?

Accepted Answer

$$f(5) = 2$$

Question 18

Which graph represents a function with a removable discontinuity?

Accepted Answer

$$image_1$$

Question 19

Which graph represents a function whose range is all real numbers?

Accepted Answer

$$image_4$$

Question 20

Which graph represents a function that is constant for $$x \u003e 1$$?

Accepted Answer

$$image_3$$

Practice Problems for Precalculus Final Exam – Step-by-Step Guidance

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