Question

I don't understand help​

Answer 1

B,C, and D

Explanation:

X values can't repeat in a function

Answer 2

B, C, and D.

Explanation:

Every function can only have one X to every Y, but every Y can have multiple X's. since -9, -5, and 1 are already X terms in the function, they disprove his claim. I hope I helped.