Question

How do you compute (fog) and (gof) if `g(x) = 3x`, `f(x) = x +1`?

Answer 1

`3x +1 and 3x + 3`

Explanation:

`f(g(x)) = f(3x) = (3x) + 1`

`g(f(x)) =g(x+1) = 3(x+1)`