Discrete Mathematics with Applications 4th Edition

Published by Cengage Learning
ISBN 10: 0-49539-132-8
ISBN 13: 978-0-49539-132-6

Chapter 1 - Speaking Mathematically - Exercise Set 1.1: 4

Answer

a. a real number; greater than $r$ b. real number $r$; there exists a real number $s$

Work Step by Step

Note that infinity does not satisfy the property required of $s$ because infinity is not a real number.
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