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)}