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)}