Thomas' Calculus 13th Edition

(a) $x\in(-\infty,\infty)$ (b) $y\in(1,\infty)$
Function: $y=3^{2-x}+1$ (a) Domain: x can be any real number, $x\in(-\infty,\infty)$ (b) Range: $y\in(1,\infty)$