Thinking Mathematically (6th Edition)

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

Chapter 2 - Set Theory - 2.3 Venn Diagrams and Set Operations - Exercise Set 2.3: 129

Answer

$III$ region

Work Step by Step

When we reverse the digits of $9558$, we get $8559$. This means that $9558$ is not a palindromic number. $9558$ is an even number. A - the set of palindromic numbers B - the set of even numbers $9558$ belongs in B but not in A; therefore, it belongs in the region that is inside of the circle for B but not the circle for A: the $III$ region.
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