Question

Why is x = y^2- 9 not a function ?

A.) bc y=3 has 2 corresponding x-values

Б.) bc y=0 has 2 corresponding x-values

C.) bc x=0 has 2 corresponding y-values

Д.) bc x=-9 has 2 corresponding y-values

Answer 1

I hope this answers your question c

Explanation:

in order for an equation to represent a function any single value of x must have at most one corresponding value of y which satisfies the question. and there for the equation is not a function