# What is the domain of h = (x+1)sqrt(2x-6)?

Domain: $x \ge 3$
$\textcolor{w h i t e}{\text{XXX}} h \left(x\right) = \left(x + 1\right) \sqrt{2 x - 6}$
is defined for all values of $x$ for which $2 x - 6 \ge 0$