Suppose that \( \$ 65,000 \) is invested at \( 4 \frac{1}{2} \% \) interest, compounded quarterly. a) Find the function for the amount to which the investment grows after \( t \) years. b) Find the amount of money in the account at \( t=0,2,7 \), and 10 years. a) The function for the amount to which the investment grows after \( t \) years is \( A(t)=\square \). (Simplify your answer. Type an expression using t as the variable.)

6. Uma pessoa aplicou um capital a juros simples durante 1 ano e meio. Sendo corrigido a uma taxa de 5 ao mês, gerou no final do período um montante de \( \mathrm{R} \$ 35 \) 530,00. Determine o capital aplicado nes situação.

Questăo 3 Um investimento é realizado em juros compostos a uma taxa de \( 12 \% \) ao ano. Caso seja investido 15000 reais por 2 anos, quanto será obtido em juros neste investimento?

QUESTION 1 a) Axelrod deposited RM 22225.70 five years ago at a SCAM investment scheme that offered an interest rate of \( 10.2 \% \) compounded quarterly until the maturity date fifteen years from the day the deposit was made. Calculate the amount he should expect to be had in the account at the end of the investment period.

A family is saving for their child's education. They want to have \( \$ 80,000 \) eighteen years from now. a) How much do they need to deposit each month into an account earning \( 7.2 \% \) interest compounded monthly? Round your answer to the nearest cent.

Voorbeeld 57 Nkosinathi het R6000 belê, en dit het geakkumuleer tot R10 000 oor 3 jare. Bepaal die jaarlikse rentekoers as ' \( n \) persentasie, indien die belegging enkelvoudige rente verdien het. Benader jou antwoord tot een desimale syfer.