Answer
{June,Janet,Jill,Justin,Jeffrey,Jello}
Work Step by Step
$A\cup$ {} is the set of all things that are members of either A or {}, therefore it is basically A
{June,Janet,Jill,Justin,Jeffrey,Jello}
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 6 - Section 6.1 - Sets and Set Operations - Exercises - Page 405: 23
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