Question

Function or nah???????????????????

Answer 1

Nah

Explanation:

Definition of a function:

a relation from a set of inputs to a set of possible outputs where each input is related to exactly one output!

According to this, i.e. you have multiple y for x = -2, -1, 0, 1, 2, 3, 4

Answer 2

No

Explanation:

It does not pass the vertical line test