## Calculus: Early Transcendentals 8th Edition

$g(x)=2x+x^{2}$ $f(x)=x^{4}$
Separating the function into two processes: 1. $g(x)=2x+x^{2}$ 2. $f(g(x))=f(2x+x^{2})=(2x+x^{2})^{4}=(g(x))^{4}$ $f(x)=x^{4}$