1. Let A = (2, 3, 4} and B = {6, 8, 10) and define a relation R from A to B as follows: For all (x, y) e A x B, (x, y) e R means that is an integer. a. State explicitly which ordered pairs are in A x B and which are in R. b. Is 4 R 6? Is 4 R 8? Is 3 R 8? Is 2 R 10? C. What are the domain and co-domain of R? Solution:
1. Let A = (2, 3, 4} and B = {6, 8, 10) and define a relation R from A to B as follows: For all (x, y) e A x B, (x, y) e R means that is an integer. a. State explicitly which ordered pairs are in A x B and which are in R. b. Is 4 R 6? Is 4 R 8? Is 3 R 8? Is 2 R 10? C. What are the domain and co-domain of R? Solution:
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 28E
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