Question

Question #806c4

Answer 1

The answer is `t^3-4t^2+4`

Explanation:

`f(t)=t+4`
`g(t)=t^3-4t^2`
So `f(g(t))=f(t^3-4t^2)=t^3-4t^2+4`
and `g(f(t))=g(t+4)=(t+4)^3-4(t+4)^2`
In all cases `f(g(t))!=g(f(t))`