Question

is 3x to the power of 2 a function ?

Answer 1

Answer:

No

Step-by-step explanation:

Because in a function for every one x there is one y.

Answer 2

Answer:

YES.

Step-by-step explanation:

f(x) = 3x^2.

This is a parabola which opens upwards ( roughly U shaped) so it will pass the vertical line test and is a function.