Question

Let f(x)=`x^2+2` and g(x)=2x−2, evaluate: f(g(3))?

Answer 1

`18`

Explanation:

`g(3)` means you plug `3` into the `g(x)` function, which results in:

`g(3)=2(3)-2 = 4`

With this information, you plug the `4` into your `f(x)` function:

`f(g(3))=(4)^2 + 2 = 18`