## Thomas' Calculus 13th Edition

(a) Domain: $x\in(-\infty,\infty)$ (b) Range: $y\in[-2,\infty)$
Function $y=|x|-2$ Domain: x can be any real number, $x\in(-\infty,\infty)$ Range: as $|x|\geq0$, $y\in[-2,\infty)$