Find the infimum and supremum, if they exist, of each of the following sets. (a) A: =
Question:
(a) A: = {x ∈ R : 2x + 5 > 0};
(b) B: = {x ∈ R : x + 2 > x2}
(c) C: = {x ∈ R : x < 1/x};
(d) D: = {x ∈ R : x2 - 2x - 5 < 0}
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Related Book For
Introduction to Real Analysis
ISBN: 978-0471433316
4th edition
Authors: Robert G. Bartle, Donald R. Sherbert
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