find the function that gives the value of the investment as a function of t. (Round your value of k to two decimal places.) P =        What is the interest rate on this investment? (Round your answer to the nearest whole number.)  %

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section4.CT: Chapter Test
Problem 11CT
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When the interest on an investment is compounded continuously, the investment grows at a rate that is proportional to the amount in the account. That is, if the amount present is P, then

dP
dt
 = kP

where P is in dollars, t is in years, and k is a constant. If $170,000 is invested (when t = 0) and the amount in the account after 18 years is $418,133, find the function that gives the value of the investment as a function of t. (Round your value of k to two decimal places.)

P = 
 
 
 



What is the interest rate on this investment? (Round your answer to the nearest whole number.)
 %

 
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