Answer
$[-4,\ \infty)$
Work Step by Step
We need to find the domain of:
$\sqrt{8+2x}$
We know that we can't take the square root of a negative number, so:
$8+2x\geq 0$
$2x\geq 0-8$
$2x\geq-8$
$x\geq-4$
Therefore, the domain is:
$[-4,\ \infty)$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 1 - Section 1.5 - Solving Inequalities - 1.5 Assess Your Understanding - Page 128: 104
Update this answer!
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.
