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.) %
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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Question
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 |
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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