Answer
$\{x| x\ge-2\}$
Work Step by Step
The domain requirement of the expression is $3x+6\ge0$, thus $\{x| x\ge-2\}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.