Answer
a. See picture.
b. No, none of the relations are functions.
Work Step by Step
Recall that a function maps every value in the domain onto exactly one value in the codomain. None of the relations given satisfies this criterion.
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: 8
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.
