Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 7 - Section 7.3 - Multiplying and Simplifying Radical Expressions - Exercise Set - Page 533: 119



Work Step by Step

In order to find the domain we will have to set the equation inside the square root greater than and equal to zero. we have, $2x-1 \leq 21$ and $2x+2 \geq 12$ or, $2x \leq 22$ and $2x \geq 10$ or, $x \leq 11$ and $x \geq 5$ Thus, Domain for will be a set of interval corresponds to both domains, that is, $[5,11]$
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