1. 
   

What are the domain and range of the function?



this is a chart::

X Y

-2 -8

-1 -1

0 0

1 1

2 8

3 27

A

Domain: {–2, –1, 0, 1, 2, 3}; Range: {–8, –1, 0, 1, 8, 27}

B

Domain: {–8, –1, 0, 1, 8, 27}; Range: {–2, –1, 0, 1, 2, 3}

C

Domain: {0, 1, 2, 3, 8, 27}; Range: {–8, –2, –1}

D

Domain: {–2, –1, 0, 1, 8, 27}; Range: {–8, –1, 0, 1, 2, 3}


2.Which relation is a function?

A

{(–5, 1), (4, 9), (6, 10)}

B

{–2, 10), (–6, 10), (–2, 3)}

C

{(0, 3), (0, 9), (12, –4)}

D

{(5, 5), (5, 9), (5, 15)}