Answer
All real numbers greater than or equal to 5/2
Work Step by Step
The square root is only defined for non-negative real numbers. Hence the expression under the square root should be non-negative.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - P.5 - Rational Expressions - Exercises - Page 48: 14
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