Precalculus (6th Edition) Blitzer

$f(x)=|x|$ and $g(x)=3x-4$
While it is possible that there are multiple ways of expressing $h$ as composites of $f$ and $g$, we can find one solution as $f(x)=|x|$ and $g(x)=3x-4$ such that $h(x)=(f\circ g)(x)$