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: 80

Answer

$x\leq3$

Work Step by Step

For $\sqrt{3-x}$ to be a real number, $3-x$ must be non-negative. $3-x\geq0$ Add x to both sides of the inequality and simplify. $3-x+x\geq0+x$ $3\geq x$
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