Discrete Mathematics and Its Applications, Seventh Edition

Published by McGraw-Hill Education
ISBN 10: 0073383090
ISBN 13: 978-0-07338-309-5

Chapter 1 - Section 1.8 - Proof Methods and Strategy - Exercises - Page 108: 3

Answer

See explanation below.

Work Step by Step

Case 1: x is greater than or equal to y. If x is greater than or equal to y then the max (x,y) = x and min (x,y) = y. Therefore, max (x,y) + min (x,y) = x + y.
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