Question

Given `f(x) = x^2 - x` and g(x) = 3x + 1, how do you determine f( g (x) )?

Answer 1

See below

Explanation:

`f(g(x))=f(3x+1)=(3x+1)^2-(3x+1)=9x^2+6x+1-3x-1=9x^2+3x`