#### 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:
$10-2x\geq0\\10\geq2x\\5\geq x$

Published by
Pearson

ISBN 10:
0-32197-907-9

ISBN 13:
978-0-32197-907-0

$5\geq x \text{ or } x \le 5$

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