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Mathematics, 13.11.2020 18:30 alexseyreyes

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)=800x4+ 350x3+ 500x2+ 600x gives the amount in the account after 4 years when the growth factor is x .After 5 years, $200 is added to the account. Use the expression for to write a new expression that represents how much is in the account after 5 years.

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An account grows at an annual interest rate of r , so it grows by a factor of x=1+r each year. The f...
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