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 7.1 - Radical Expressions and Functions - Exercise Set - Page 514: 108

Answer

See the definition below.

Work Step by Step

To find the domain we will have to set the equation inside the square root greater than and equal to zero. Let us take an example: $f(x)=\sqrt{5-x}$ Put the equation inside the square root greater than and equal to zero. we have, $5-x \geq 0$ or $x \leq 5$ Thus, Domain will be: $(- \infty, 5]$
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