Answer
A) No A union B = Φ
B) Yes A union B = {b}
C) Yes A union b = {a,b}
Work Step by Step
A) No A union B = Φ
B) Yes A union B = {b}
C) Yes A union b = {a,b}
Discrete Mathematics with Applications 4th Edition
by Epp, Susanna S.
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: 6
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