Answer
a. Yes. Yes. Yes. No.
b. $S=\{(-3,-3), (-2,-2), (-1,-1), (-1,1), (1,-1), (1,1), (2,-2), (2,2), (3,3)\}$.
c. The domain is $C (=D)$ and the codomain is $D (=C)$.
d.
Work Step by Step
This relation maps from a set to itself.
Discrete Mathematics with Applications 4th Edition
by Epp, Susanna S.
Published by
Cengage Learning
ISBN 10:
0-49539-132-8
ISBN 13:
978-0-49539-132-6
Chapter 1 - Speaking Mathematically - Exercise Set 1.3 - Page 21: 2
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