Michael J. answered 11/20/17
Tutor
5
(5)
Teaching You To Write Reports Professionally and Efficiently
f(g(x)) means f(x) when x=g(x). So you have
f(g(x)) = (g(x))3 = (2x + 1)3
g(x) = 2x + 1
Taylor L.
11/20/17