Precalculus · Problem 5.1.27

Further Topics in Functions — Stitz & Zeager

Mathematics — Precalculus · function-composition-triple

Problem

Use

f(x) = -2x

g(x) = \sqrt{x}

and

h(x) = |x|

to find and simplify an expression for

(g \circ f \circ h)(x)

and state the domain using interval notation.