Answer
$\subseteq$
Work Step by Step
The first set is a subset of the second one because all the elements in the first set exist in the second set.
True. A is a subset of U because every element in A is in U.
$A\subseteq U$
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.1 - Sets - R.1 Exercises - Page 7: 53
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