Question

Determine if the inverse of the function is also a function.

Answer 1

I think its a function.

Here's another one:

Answer 2

I really don't think it is a function.

Answer 3

Because by the looks of it it is repeating values by being a parabola.

Answer 4

Exactly. Earlier, I showed you the inverse of a parabola. It's a parabola opening to the right. Therefore, There would be 2 values for every x-value, except at the vertex. Therefore, the inverse won't be a function.