Question

Find the domain f(x)= routover 2x+7

Answer 1

Answer :

Domain of $\sqrt{2x+7}$ can be found as follows:

$2x+7 \ge 0 \\ 2x \ge -7\\ x \ge \frac{-7}{2}$

$x\in [\frac{-7}{2} , \infin )$ is the answer.