Question

How do you find the function compositions given `f(x)= x^2`, `g(x)= 5x`?

Answer 1

It depends, you can compose both `(f(g(x))` and `g(f(x))`.

In the first case,

`f(g(x)) = f(5x)=(5x)^2=25x^2`

In the second case,

`g(f(x))=g(x^2)=5x^2`