Answered: 3. Determine whether the following sets…

3. Determine whether the following sets are open, closed, both, or neither. (a) (2,3) U{4} (b) [2,3] U {4} (c) Z (d) Q (e) {x e R: x < 0}

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.7: Distinguishable Permutations And Combinations

Problem 16E

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I need both answers i will give upvotes pls typing no chatgpt

3. Determine whether the following sets are open, closed, both, or neither.
(a) (2,3) U{4}
(b) [2,3] U{4}
(c) Z
(d) Q
(e) {x ER: x < 0}
4. For each set in Problem 3, find the interior, closure, boundary, and isolated points. Are
any compact?

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