Answer
true
Work Step by Step
$D \subseteq A$ if all elements of set A are also elements of set B.
Note that all elements of D are also elements of A.
This means that $D \subseteq A$.
Therefore, the given statement is true.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter R - Review of Basic Concepts - R.1 Sets - R.1 Exercises - Page 8: 54
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
