# How do you find the domain of  sqrt(2x+4)?

Aug 30, 2016

$\to 2 x + 4 \ge 0 \to 2 x \ge - 4 \to x \ge - 2$
$- 2 \le x < \infty$ or $\left[- 2 , \infty\right)$, the [ meaning 'inclusive'