Quiz about Relations and Functions Review

Question 1

This is a function. True or false?

Accepted Answer

True

Answer

False

Question 2

This is a function. True or false?

Accepted Answer

False

Answer

True

Question 3

This is a function. True or false?

Accepted Answer

False

Answer

True

Question 4

This is a function. True or False?

Accepted Answer

False

Answer

True

Question 5

This relation is a function. True or false?
{(0,1), (2,4), (1,0), (2,3), (3,6)}

Accepted Answer

False

Answer

True

Question 6

This is a function. True or false?

Accepted Answer

False

Answer

True

Question 7

This relation is a function. True or false?
{(4,2), (5,3), (6,2), (3,2), (2,2)}

Accepted Answer

True

Answer

False

Question 8

Does this relation represent a function?

Accepted Answer

No

Answer

Yes

Question 9

Which statement is true about this relation?

Accepted Answer

This relations is not a function.

Answer

The domain is {-6,-3,-2,2,3, 4, 5, 6}

Answer

This relation is a function

Answer

This relation is a linear.

Question 10

Which relation is not a function?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 11

Which relation is a function?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 12

Which relation does not match the others?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 13

Which statement is false about the relation in the graph?

Accepted Answer

The relation is a function because multiple inputs have one output.

Answer

This relation is a function because one input has exactly one output.

Answer

This relation is not a function.

Answer

The point (-5,-3) is on the graph.

Question 14

What is the domain of this relation?

Accepted Answer

{ -3, -2, -1, 1 }

Answer

{ -3, -2, -1, 1, 3, 4 }

Answer

{ -1, 1, 3, 4 }

Question 15

If f(x) = -4x + 5 and g(x) = x² + x, find f(-2).

Accepted Answer

13

Answer

8

Answer

-8

Answer

-13

Question 16

If f(x) = -4x + 5 and g(x) = x² + x, find g(-4).

Accepted Answer

12

Answer

-12

Answer

-20

Answer

20

Question 17

If f(x) = -4x + 5 and g(x) = x² + x, find f(3) + g(9).

Accepted Answer

83

Answer

39

Answer

-83

Answer

-39

Question 18

If f(x) = -4x + 5 and g(x) = x² + x, find g(-8).

Accepted Answer

56

Answer

72

Answer

-72

Answer

-56

Question 19

If f(x) = 3x - 4 and g(x) = 4x^2,find f(-5).

Accepted Answer

-19

Answer

-11

Answer

19

Answer

11

Question 20

If f(x) = 3x - 4 and g(x) = 4x^2,find f(2x).

Accepted Answer

6x - 4

Answer

6x + 4

Answer

6x<sup>2 </sup>- 4

Answer

-6x<sup>2</sup> - 4

Question 21

If f(x) = 3x - 4 and g(x) = 4x^2,find f(-7).

Accepted Answer

-25

Answer

17

Answer

25

Answer

-17

Question 22

If f(x) = 3x - 4 and g(x) = 4x^2,find g(2) + f(-1).

Accepted Answer

1

Answer

7

Answer

-1

Answer

-7

Relations and Functions Review

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