Question

Given `f(x) = 3x+2` and `g(x) = x^2+4x`, what is `(g*f)(2)`?

Answer 1

96

Explanation:

We know that

`(g*f)(x) = g(f(x))`

So,

`(g*f)(2) = g(f(2))`

`=g(3*(2)+2)`

`=g(8)`

`=(8)^2+4*(8)`

`=64+32`

`=96`