Mathematics, 13.11.2020 06:10 TheArkazary
An account grows at an annual interest rate of r , so it grows by a factor of x=1+r each year. The function A(x)=800x 4 +350x 3 +500x 2 +600x gives the amount in the account after 4 years when the growth factor is x . What is the total amount in the account if the interest rate for the account is 3% each year? How much money was put into the account at the beginning? After 5 years, $200 is added to the account. Use the expression B(x) that represents how much is in the account after 5 years.
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