College Algebra (10th Edition)

by Sullivan, Michael

Published by Pearson

ISBN 10: 0321979478

ISBN 13: 978-0-32197-947-6

Chapter 4 - Section 4.2 - Building Linear Models from Data - 4.2 Assess Your Understanding - Page 290: 28

Answer

See below.

Work Step by Step

The domain is all the real numbers apart from when the denominator is $0$, which is when $x^2-25=0\\x^2=5\\x=\pm5$ So the domain is all real numbers apart from $x=\pm5$.

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