Answer
{9,1,7,3,4} ⊆ {1,3,4,7,9}
Work Step by Step
As all the elements of the first set are present in the second set and the number of elements are also same.
Therefore the first set is subset of the second set.
{9,1,7,3,4} ⊆ {1,3,4,7,9}
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 2 - Set Theory - 2.2 Subsets - Exercise Set 2.2 - Page 68: 22
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