Suppose that $12,000 is invested in a bond fund and the account grows to $14,309.26 in 4 yr.   a. Use the model A = Pert to determine the average rate of return under continuous compounding. Round to the nearest tenth of a percent.  b. How long will it take the investment to reach $20,000 if the rate of return continues? Round to the nearest tenth of a year.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 4PT: An investment account was opened with aninitial deposit of 9,600 and earns 7.4 interest,compounded...
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Suppose that $12,000 is invested in a bond fund and the account grows to $14,309.26 in 4 yr.   a. Use the model A = Pert to determine the average rate of return under continuous compounding. Round to the nearest tenth of a percent.  b. How long will it take the investment to reach $20,000 if the rate of return continues? Round to the nearest tenth of a year.

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