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Choose all sets that are countable: O (-0.5, 7.5) O {3k | k E Z} O (-0.5, 11.5] n Z ONU{-1} 1 EN n+1

Choose all sets that are countable: O (-0.5, 7.5) O {3k | k E Z} O (-0.5, 11.5] n Z ONU{-1} 1 EN n+1

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.4: Mathematical Induction
Problem 26E
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Choose all sets that are countable: O (-0.5, 7.5) O {3k |k E Z} O (-0.5, 11.5] nZ O NU{-1} 1 |n e N n +1
Transcribed Image Text:Choose all sets that are countable: O (-0.5, 7.5) O {3k |k E Z} O (-0.5, 11.5] nZ O NU{-1} 1 |n e N n +1
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