Compute the future value in year 7 of a $2,200 deposit in year 1, and another $1,700 deposit at the end of year 4 using a 8 percent interest rate. Note: Do not round intermediate calculations and round your final answer to 2 decimal places. Future value $ 3,770.41

Suppose that the interest rate is 5 percent. Instructions: Enter your answers rounded to 2 decimal places. a. What is the future value of $100 six years from now? $ How much of the future value is total interest? $ b. By how much would total interest be greater at an interest rate of 7 percent than at an interest rate of 5 percent?

1) Let y be the balance in an account if you deposit $5000 for x years at 4% APR compounded monthly. USE ALL DECIMALS except in e and fand h! a) Write the formula for y = f(x) b) Then rewrite the formula as an annual compounding (APY) formula as shown in the Lecture 16 notes. y = (rewritten). c) The APY (clear from part b) is: d) Then use the 2âd version of y to write y ' - e) How much is the investment worth after 7 years? f) How fast is the investment growing after 7 years? g) What is the percentage rate of growth (PROC) after 7 years as a percent? USE ALL DECIMALS! h) Write a sentence translating into English your answer for f' (7) : i) Show the second way to find the derivative of your formula in a) using the chain rule (as found in the chain rule lecture): j) Find y'(7) from your answer in j and confirm it is the same (at least to 7 decimals) as using the formula in d.

The amount a person would need to deposit today with a 9% interest rate to have $2500 in 3 years. The appendix A.2 is at .7722 when you find the correct columns.

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Question 4 A deposit of $730 earns interest rates of 9 percent in the first year and 12 percent in the second year.   What would be the second year future value? (Round your answer to 2 decimal places.) Future Value

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