Thinking Mathematically (6th Edition)

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

Chapter 2 - Set Theory - 2.1 Basic Set Concepts - Exercise Set 2.1 - Page 59: 72


n(C) = 0

Work Step by Step

Given C={x|x is the month of the that begins with the letter’W’} The cardinal number for each set is formed by calculating the number of elements in each set. From the given equation there is no elements in the set that begins with letter W. The given set is an empty set. Therefore the cardinal number of C n(C) = 0.
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