3) (A) Find a simplified explicit form (in terms of s and t) for the amount of interest earned between times and time t, which is I = A(t) - A(s), where s < t, if a. In = n for some positive integer n. b. In = 2" for some positive integer n. Hint: The geometric sum of k terms is Σo ar = a for a constant ratio r # 1. Total interest is the sum of the periodic interests, Is+1, Is+2,..., It. 1₁ + + Is Is+1 Is+2 It 0 A(s) + S A(s+1) A(s+2) s+1 s + 2 A(t-1) t-1 t 1-pk+1 1-r

3) (A) Find a simplified explicit form (in terms of s and t) for the amount of interest earned between times and time t, which is I = A(t) - A(s), where s < t, if a. In = n for some positive integer n. b. In = 2" for some positive integer n. Hint: The geometric sum of k terms is Σo ar = a for a constant ratio r # 1. Total interest is the sum of the periodic interests, Is+1, Is+2,..., It. 1₁ + + Is Is+1 Is+2 It 0 A(s) + S A(s+1) A(s+2) s+1 s + 2 A(t-1) t-1 t 1-pk+1 1-r

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section2.7: More On Inequalities

Problem 44E

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