How much would $400 invested at 9% interest compounded continuously be worth after 3 years? Round your answer to the nearest cent.
A(t) = Poet

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.