How do you find the compositions given f(x)=x3, g(x)=x+3?

1 Answer
May 18, 2017

f(g(x))=x+33

g(f(x))=x3+3

Explanation:

The two possible compositions are f(g(x)) and g(f(x)):

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

f(g(x))=x+33

and

g(f(x))=g(x3)

g(f(x))=x3+3