If R = {(x, y) : x, y ? Z, x 2 + 3y 2 ? 8}
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Question:
If R = {(x, y) : x, y ? Z, x2 + 3y2 ? 8} is a relation on the set of integers Z, then the domain of R-1 is
(a) {-2, -1, 1, 2}
(b) {0, 1}
(c) {-2, -1, 0, 1, 2}
(d) {-1, 0, 1}
Expert Answer:
Related Book For 
Discrete Mathematics and Its Applications
ISBN: 978-0073383095
7th edition
Authors: Kenneth H. Rosen
Posted Date:
