Quiz about Functions Algebra

Question 1

Which set of ordered pairs represents the relation shown in the graph?

Accepted Answer

{(-5, 3), (-2, 0), (0, 2), 1, -1), (3, 5)}

Answer

{(3, -5), (-2, 0), (2, 0), (-1, 1), (3, 5)}

Answer

{(5, -3), (2, 0), (0, -2), (-1, 1), (-3, -5)}

Answer

{(-5, 3), (0, -2), (2, 0), (1, -1), (3, 5)}

Question 2

Which table represents the relation shown in the graph?

Accepted Answer

x | y
-5 | 3
-2 | 0
0 | 2
1 | -1
3 | 5

Answer

x | y
5 | 3
-1 | 1
2 | 0
0 | -2
3 | -5

Answer

x | y
1 | -1
0 | -2
2 | 0
-5 | 3
3 | 5

Answer

x | y
3 | 5
-1 | 1
0 | -2
0 | 2
-5 | 3

Question 3

What is the domain of the relation shown in the graph above?

Accepted Answer

{1, 3, 0, -2, -5}

Answer

{0, 1, 2, -2, 3}

Answer

{0, 2, -1, 3, 5}

Answer

{-5, -2, 2,-1, 3}

Question 4

What is the range of the relation shown in the graph above?

Accepted Answer

{2, 0, 3, -1, 5}

Answer

{0, 1, 3, -2, -5}

Answer

{-2, 2, -1, 5, 3}

Answer

{2, 0, -1, -5, 3}

Question 5

Which mapping represents the relation {(-2, 4), (4, 2), (2, 4), -4, 2)}?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 6

Which statement is true about the relation {(-2, 4), (4, 2), (2, 4), -4, 2)}?

Accepted Answer

The relation is a function because all the x-values are different.

Answer

The relation is NOT a function because all the y-values are not different.

Answer

The relation is NOT a function because all the x-values are not different.

Answer

The relation is a function because the y-values are different.

Question 7

Which of the following relations represents y as a function of x?
I. {(1, 4), (2, 5), (3, 6)}
II. {(1, 4), (2, 4), (3, 4)}
III. {(1, 4), (2, 4), (1, 3)}
IV. {(1, 4), (1, 2), (1, 3)}

Accepted Answer

I and II only

Answer

I, II, and III only

Answer

II and IV only

Answer

III and IV only

Question 8

Which relation is represented by the mapping diagram shown?

Accepted Answer

{(2, 3), (2, 5), (4, 7)}

Answer

{(3, 2), (5, 2), (7, 4)}

Answer

{(2, 3), (4, 7)}

Answer

{(5, 2), (7, 4)}

Question 9

Does this mapping represent a function? Why or why not?

Accepted Answer

No, this is not a function because not all the x values are different.

Answer

Yes, this is a function because all the x values are different.

Answer

Yes, this is a function because all the y values are different.

Answer

No, this is not a function because not all the y values are different.

Question 10

Which of the graphs shown is a function?

Accepted Answer

J

Answer

F

Answer

G

Answer

H

Question 11

If f(x) = 3x - 7, find f(4).

Accepted Answer

5

Answer

0

Answer

14

Answer

19

Question 12

Find the range of f(x) = 7x - 2, given the domain is D = {2, -1, 3}.

Accepted Answer

{-9, 12, 19}

Answer

{-7, 14, 21}

Answer

{-5, 12, 21}

Answer

{-9, 14, 19}

Question 13

Find the range of
f(x) = -2x²- 3, give the domain is D = {2, -3, 4}.

Accepted Answer

{-35, -21, -11}

Answer

{5, 15, 29}

Answer

{-35, -15, -11}

Answer

{-35, -11, 15}

Question 14

Which of the graphs shown does NOT represent a function?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 15

If g(x) = 2x² - 4, find g(-2)

Accepted Answer

4

Answer

-8

Answer

-12

Answer

0

Question 16

Solve
3x - (x - 4) = 18

Accepted Answer

7

Answer

7/2

Answer

11

Answer

11/2

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics