## Algebra 1

Published by Prentice Hall

# Chapter 7 - Exponents and Exponential Functions - 7-6 Exponential Functions - Practice and Problem-Solving Exercises - Page 450: 18

F(3) = 40000 the initial investment of 5000 after 30 years will be worth $40000. #### Work Step by Step There are 3 decades in 30 years, so x=3. f(3) = 5000$\times2^{3}$f(3) = 5000$\times\$ 8 f(3) = 40000

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