Find an explicit formula for the sequence {1, 3, 7, 15, ⋅ ⋅ ⋅} in the given problem. Recurrence relations Use the recurrence relation for {an}∞n = 1 to writethe first four terms of the sequences          an + 1 = 2an + 1, a1 = 1 and an + 1 = 2an + 1, a1 = -1.

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 28E
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Find an explicit formula for the sequence {1, 3, 7, 15, ⋅ ⋅ ⋅} in the given problem.

Recurrence relations Use the recurrence relation for {an}n = 1 to write
the first four terms of the sequences
          an + 1 = 2an + 1, a1 = 1 and an + 1 = 2an + 1, a1 = -1.

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