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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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,
y
(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:
Transcribed Image Text: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, y (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:
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