Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 2 - Set Theory - 2.5 Survey Problems - Exercise Set 2.5 - Page 103: 18

Answer

The number of elements in set A and set B = 8.

Work Step by Step

From the given Venn diagram, the regions IV, V belongs to set A and set B. It's given from the Venn diagram that, The number of elements belongs to region II = 1 The number of elements belongs to region V = 7 Therefore the number of elements in set A and set B = 1 + 7 = 8.
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