Use the model =APert or =AP+1rnnt , where A is the future value of P dollars invested at interest rate r compounded continuously or n times per year for t years. A $16,000 investment grows to $19,720.83 at 3.5% interest compounded quarterly. For how long was the money invested? Round to the nearest year.

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter10: Exponential And Logarithmic Functions
Section10.2: Applications Of Exponential Functions
Problem 25PS
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Use the model

=APert

or

=AP+1rnnt

, where

A

is the future value of

P

dollars invested at interest rate

r

compounded continuously or

n

times per year for

t

years.

A

$16,000

investment grows to

$19,720.83

at

3.5%

interest compounded quarterly. For how long was the money invested? Round to the nearest year.

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