Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 8 - Section 8.1 - Finding Roots - Exercise Set - Page 575: 79



Work Step by Step

For $\sqrt{2-x}$ to be a real number, $2-x$ must be non-negative. $2-x\geq0$ Add x to both sides of the inequality and simplify. $2-x+x\geq0+x$ $2\geq x$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.