Algebra and Trigonometry 10th Edition

by Larson, Ron

Published by Cengage Learning

ISBN 10: 9781337271172

ISBN 13: 978-1-33727-117-2

Prerequisites - Review Exercises - Page 64: 94

Answer

Real numbers greater than or equal to $-4$.

Work Step by Step

$\sqrt {x+4}$ The square root of a negative has no solution in the set of the real numbers. It is necessary that: $x+4\geq0$ $x\geq-4$

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