Question

Which relation is a function?

A.
x −2 −2 0 1 8
y 3 6 0 0 9


B.
x 3 5 7 14 14
y −9 5 −9 1 2


C.
x −3 4 5 9 12
y 1 −2 −2 0 7


D.
x −7 −5 6 8 8
y −3 8 1 1 −9

Answer 1

@KamiBug

Answer 2

@OGangsta

No x can go to to two different y values for that x if the relation is a function.

The only option in which that does not happen is this;

C. x −3 4 5 9 12 y 1 −2 −2 0 7