Question

Which relation is a function?
A
{(1,1),(2,4),(4,8),(8,16),(8,32)}

B
{(8,−2),(9,−2),(10,−2),(11,−2),(12,3)}

C
{(2,−3),(2,−2),(2,−1),(2,0),(2,1)}

D
{(9,3),(9,−3),(16,4),(16,−4),(25,−5

Answer 1

Step-by-step explanation:

C relation is function