(a) If Daniella opens a mutual fund account with a deposit of $15,000 and it promises to pay an annual interest rate of r%, compounded on a monthly basis. (i) Derive a function B, which shows the balance on Daniella's account the end of 6 years. (11) Make a comparison of the rates of change in B with resect to the interest rate when r is 8% , 10% and 12%.
(a) If Daniella opens a mutual fund account with a deposit of $15,000 and it promises to pay an annual interest rate of r%, compounded on a monthly basis. (i) Derive a function B, which shows the balance on Daniella's account the end of 6 years. (11) Make a comparison of the rates of change in B with resect to the interest rate when r is 8% , 10% and 12%.
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter5: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 14P: Annual interest yield refer to problem 13 .suppose the investor decides to increase the maximum...
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Step 1
Given that the deposit amount = $ 15,000, annual interest rate = r % and it is compounded on monthly basis.
(i):
Now, we have to find function B for balance at end of 6 years:
A = final amount
P = principal amount,
r = interest rate,
n = number of times interest applied per time period, and
t = number of time periods elapsed
Step 2
Now, the rate of change of B with respect to interest rate is dB(r)/dr :
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