If an investment earns an APR of r, as a decimal, compounded annually, then the time D, in years, required for the investment to double in value is given by log(2) Tog(1 + r) (a) Find the doubling time (in years) for an investment subject to an APR of 4% if interest is compounded annually. (Round your answer to two decimal places.) 14.208 X yr

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.1: Exponential Functions
Problem 68SE: An investment account with an annual interest rateof 7 was opened with an initial deposit of 4,000...
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If an investment earns an APR of r, as a decimal, compounded annually, then the time D, in years, required for the investment to double in value is given by
log(2)
Tog(1 + r)"
(a) Find the doubling time (in years) for an investment subject to an APR of 4% if interest is compounded annually. (Round your answer to two decimal places.)
14.208
X yr
Transcribed Image Text:If an investment earns an APR of r, as a decimal, compounded annually, then the time D, in years, required for the investment to double in value is given by log(2) Tog(1 + r)" (a) Find the doubling time (in years) for an investment subject to an APR of 4% if interest is compounded annually. (Round your answer to two decimal places.) 14.208 X yr
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