Set up the formula to find the balance after 8 years for a total of \( \$ 12,000 \) invested at an annual interest rate of \( 9 \% \) compounded continuously. \( A=12,000\left(1+\frac{9}{365}\right)^{(365)(8)} \) \( A=12,000(e)^{(0.09)(8)} \) \( A=12,000\left(1+\frac{0.09}{365}\right)^{(365)(8)} \) \( A=12,000(e)^{(9)(8)} \)
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To find balance after 8 years for an investment with continuous compounding, you will need to use the formula: \( A = Pe^{rt} \), where \( P \) is the principal amount (\$12,000), \( r \) is the annual interest rate (0.09), and \( t \) is the time in years (8). Plugging in the numbers, the formula becomes \( A = 12,000 e^{(0.09)(8)} \). Imagine how people have leveraged this kind of compounding in real life! Think about retirement funds or education savings plans where money in accounts grows exponentially over time. This strategy takes advantage of the “snowball effect,” where interest is earned on both the initial investment and the interest that accumulates. With 9% compounded continuously, that $12,000 can transform into a significantly larger sum, helping to turn dreams into reality.