MAT150 Unit 3 Review **no need to show f(g(x)) = g(f(x)) = x Find f(x) for the following functions: 52) f(x) = (2x +1)5 53) Compound interest is cal culated using the formula below: A = P (1+12 Where A is the future value, P is present value, and t is the number of years for the loan/investment. a) If you invest $1,000 at 9% interest for 8 years, what is the future value of the investment? b) If you want to have $2,500 for a vacation in 3 years, how much should you invest today if you can get 10% on the investment? c) If you borrow $500 at 12% interest, how long will it take for the amount you owe to double?

Question
MAT150
Unit 3 Review
**no need to show f(g(x)) = g(f(x)) = x
Find f(x) for the following functions:
52) f(x) = (2x +1)5
53) Compound interest is cal culated using the formula below:
A = P (1+12
Where A is the future value, P is present value, and t is the number of years for the
loan/investment.
a) If you invest $1,000 at 9% interest for 8 years, what is the future value of the investment?
b) If you want to have $2,500 for a vacation in 3 years, how much should you invest today if you
can get 10% on the investment?
c) If you borrow $500 at 12% interest, how long will it take for the amount you owe to double?
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Transcribed Image Text

MAT150 Unit 3 Review **no need to show f(g(x)) = g(f(x)) = x Find f(x) for the following functions: 52) f(x) = (2x +1)5 53) Compound interest is cal culated using the formula below: A = P (1+12 Where A is the future value, P is present value, and t is the number of years for the loan/investment. a) If you invest $1,000 at 9% interest for 8 years, what is the future value of the investment? b) If you want to have $2,500 for a vacation in 3 years, how much should you invest today if you can get 10% on the investment? c) If you borrow $500 at 12% interest, how long will it take for the amount you owe to double?

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