Question 1

How long will it take for $300 to double if it is invested at 7% annual interest, compounded continuously? Round your answer to two decimal places. __________ years

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Question 2

How long will it take for $400 to double if it is invested at 5% annual interest compounded 12 times a year? Round your answer to one decimal place. __________ years

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Question 3

If a $20 investment is worth $60 today, how long ago must that $20 have been invested at 6% interest computed twice a year? Round your answer to two decimal places. __________ years

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Question 4

How long will it take for $700 to double if it is invested at 9% annual interest compounded twice a year? Round your answer to one decimal place. __________ years

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Question 5

How long will it take $1,500 to triple if it is invested at 9% annual interest, compounded continuously? Round your answer to one decimal place. __________ years

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Question 6

How long does it take for an amount of money P to double itself if it is invested at 9% interest compounded 4 times a year? Round your answer to two decimal places. __________ years

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Quiz 11: Exponential Functions