Is this relation a function? Why or why not. (-5, 2), (-1, 3...

Question

Is this relation a function? Why or why not.

(-5, 2), (-1, 3), (0, 3), (-1, 2), (3, 5), (8, 7), (-4, 1)

A

Yes, because the x-value -1 has two y-values pair with it.

B

Yes, because each x-value has only one y-value paired with it.

C

No, because the x-value -1 has two y-values pair with it.

D

No, because the y-value 3 has two x-values pair with it.