Answer
$5\geq x \text{ or } x \le 5$
Work Step by Step
We know that the square root function is undefined for negative numbers, hence the expression inside the square root sign must be non-negative.
Thus:
$10-2x\geq0\\10\geq2x\\5\geq x$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 3 - Linear and Quadratic Functions - 3.5 Inequalities Involving Quadratic Functions - 3.5 Assess Your Understanding - Page 161: 44
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