D. Suppose real sequences (sn) and (tn) are bounded. (That is, that their ranges are bounded sets.) i. Show the sequence given by (sn + tn) is bounded. ii. For any real number α, show that the sequence (α⋅sn) is bounded.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.1: Infinite Sequences And Summation Notation
Problem 32E
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D. Suppose real sequences (sn) and (tn) are bounded. (That is, that their ranges are bounded sets.)
i. Show the sequence given by (sn + tn) is bounded.
ii. For any real number α, show that the sequence (αsn) is bounded.

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