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Mathematics, 13.07.2019 21:20 itscheesycheedar
Suppose the amount of principal left to be paid back on a car loan is given by p(t) and suppose a payment of k dollars is made on the loan each month. then the rate at which the remaining principal p(t) changes with respect to time (in exist/month) is the net result of the monthly payment of k dollars (which is a positive constant) and the interest which is proportional to the remaining principal (here the proportionality constant is the monthly continuous interest rate r). a. write a differential equation to represent this situation using the function and constants named above. b. a student purchases a car for exist12,000 with a 3-year loan at 9% annual interest, compounded continuously. calculate the monthly interest rate r and then use this value to rewrite the de from part a. then solve this differential equation for p(t). be sure to determine the value of c and state your model for p(t) clearly. c. use your model for p(t) to find the monthly payment k so that the loan in paid off (p(t) = 0) in 3 years (36 months). give your answer rounded to the nearest cent. d. derive the general payment formula, solving for k in terms of r, n (the number of months), and p_0 (the initial principal), showing all work to support it.
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Suppose the amount of principal left to be paid back on a car loan is given by p(t) and suppose a pa...
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