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: 125

Answer

$IV$ region

Work Step by Step

When we reverse the digits of $15$ we get $51$. This means that $15$ is not a palindromic number. $15$ is not an even number. A - the set of palindromic numbers B - the set of even numbers $15$ Belongs in neither A nor B; therefore, it belongs in the region that is outside of the circle for A as well as the circle for B: the $IV$ region.
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