Question

If `g(x) = 9x^2+3x` how do you find `g(-3)`?

Answer 1

`= 72`

Explanation:

We have to put `-3` in place of `x`. Given

`g(x)= 9x^2 +3x`

Putting `g = -3`

`g(-3) = 9(-3)^2 + 3(-3)`

`= 81 -9`

`= 72`