College Algebra (10th Edition)

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: 104

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: $[-4,\ \infty)$
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