Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 3 - Section 3.1 - Exponential Functions - Exercise Set - Page 449: 54

Answer

$ a.\quad {{\$}} 9479.19$ $ b.\quad {{\$}} 9527.79$ $ c.\quad {{\$}} 9560.92$ $ d.\quad {{\$}} 9577.70$

Work Step by Step

$ a.$ $ t=5,\quad r=0.065,\quad n=2$ $ A=5000(1+\displaystyle \frac{0.065}{2})^{2(10)}= {{\$}} 9479.19$ $ b.$ $ t=5,\quad r=0.065,\quad n=4$ $ A=5000(1+\displaystyle \frac{0.065}{4})^{4\cdot 10}={{\$}} 9527.79$ $ c.$ $ t=5,\quad r=0.065,\quad n=12$ $ A=5000(1+\displaystyle \frac{0.065}{12})^{12(10)}={{\$}} 9560.92$ $ d.$ Continuous, $ t=5,\quad r=0.065,$ $ A=5000(e)^{0.065(10)}={{\$}} 9577.70$
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