For f(x)=x^2+2 and g(x)=x^2-2, find (f o g)(x) ; (g o f)(x) ; (f o g)(2)

Question

Simplify answers for (f o g)(x) and (g o f)(x)

Answer 1

(f o g)(x) = (x² - 2)² + 2

(g o f)(x) = (x² + 2)² - 2