Let A = {3, 5, 7, 8} and define a relation S from A to A as follows:For all (x, y) E A × A, (x, y) E S if and only if that x – y > 2.a. Is 3 S 4 ?Is 7 S 3 ?Is (8, 7) ES ?b. Write S as a set of ordered pairs.

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Answered: Let A = {3, 5, 7, 8} and define a…

Let A = {3, 5, 7, 8} and define a relation S from A to A as follows: %3D For all (x, y) E A × A, (x, y) E S if and only if that x – y > 2. a. Is 3 S 4 ?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

Let A = {3, 5, 7, 8} and define a relation S from A to A as follows:
For all (x, y) E A × A, (x, y) E S if and only if that x – y > 2.
a. Is 3 S 4 ?
Is 7 S 3 ?
Is (8, 7) ES ?
b. Write S as a set of ordered pairs.

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