Characteristics of Functions Review

Which graph represents a function? Select all that apply.

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Which graph represents a function?

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Which of the following graphs appears to be a function?

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Determine whether the table of values represents a function.

• Function

• Not a function

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

What is f(1)?

• 1

• 5

• 0

• 4

What is x if
f(x) = -2?

• 4

• 0

• 3

• 8

True or false:
The x-intercept of a function ALWAYS occurs where y is equal to zero.

• True

• False

What is the y-intercept?

• 12

• -3

• 8

• 0

Which of the following statement are false.

• There is a relative min at the point (8,0)

• There is another relative min at the point (0,-7.5)

• There is a relative max at the point (5,2.5)

• There are more relative maximums than there are relative minimums.