Chapter P - P.3 - Functions and Their Graphs - Exercises - Page 29: 74

$f(x)=-4x$ $g(x)=\sin x$ $h(x)=1-x$

One way to identify the functions f, g, and h is to observe the steps used to get from $x$ to $-4\sin (1-x)$. The function h is applied first, followed by g then f. So the three functions are as follows: $f(x)=-4x$ $g(x)=\sin x$ $h(x)=1-x$