Discrete Mathematics with Applications 4th Edition

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

Chapter 8 - Relations - Exercise Set 8.1 - Page 448: 9

Answer

A) YES B) NO C) NO D) YES

Work Step by Step

A) 0+1+2+1 = 2+2 = 4 B) 1+0+1+1 ≠ 2+1+0+1 C) 2+2+1+2 ≠ 2+1+2+1 D) 1+2+2+0 = 2+1+1+1 = 5
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