College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 2 - Section 2.1 - The Distance and Midpoint Formulas - 2.1 Assess Your Understanding - Page 157: 73


All the real numbers apart from $2.5$

Work Step by Step

The denominator of a fraction cannot be $0$, thus $2x-5\ne0\\2x\ne5\\x\ne2.5$ Thus the domain is all the real numbers apart from $2.5$.
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