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 graph in $$image_2$$, on which interval is the function decreasing?

Accepted Answer

$$(0, 3)$$

Question 3

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

Accepted Answer

$$image_3$$

Question 4

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

Accepted Answer

$$image_5$$

Question 5

For the graph in $$image_1$$, what is the domain?

Accepted Answer

$$[-3, 5]$$

Question 6

For the graph in $$image_1$$, what is the range?

Accepted Answer

$$[-5, 2]$$

Question 7

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

Accepted Answer

$$image_2$$

Question 8

For the graph in $$image_3$$, what is the y-intercept?

Accepted Answer

$$y = 1$$

Question 9

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

Accepted Answer

$$image_4$$

Question 10

For the graph in $$image_1$$, at which $$x-$$value does the function attain its minimum?

Accepted Answer

$$x = 2$$

Question 11

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

Accepted Answer

$$image_1$$

Question 12

For the graph in $$image_2$$, what is the end behavior as $$x 	o \infty$$?

Accepted Answer

$$y 	o -\infty$$

Question 13

Which graph has a jump discontinuity?

Accepted Answer

$$image_3$$

Question 14

For the graph in $$image_1$$, is the function continuous on its domain?

Accepted Answer

No, because there are open circles at $$x = -3$$ and $$x = 5$$

Question 15

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

Accepted Answer

$$image_1$$

Analyzing Graphs to Determine if They Represent Functions

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