1.) Kay invests $5,000 for years into an account compounded continuously at a rate of 4.5%. What is the balance after 6 years? 2.) Ted wants to triple his money. It is in an account that pays 5% interest compounded continuously. how long will it take to triple his money? 3.) Jose's' car depreciates at a rate of 12% per year. He bought his car three years ago for $25,000, how much is it worth today? 4.) Aneisha deposited $7,000 into an account paying 3.5% interest compounded semi-annually. If she leaves her money in the account for four years what would be her account BALANCE? (Balance – initial investment plus interest)

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 4PT: An investment account was opened with aninitial deposit of 9,600 and earns 7.4 interest,compounded...
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1.) Kay invests $5,000 for years into an account compounded continuously at a rate of 4.5%. What is
the balance after 6 years?
2.) Ted wants to triple his money. It is in an account that pays 5% interest compounded continuously.
how long will it take to triple his money?
3.) Jose's' car depreciates at a rate of 12% per year. He bought his car three years ago for $25,000,
how much is it worth today?
4.) Aneisha deposited $7,000 into an account paying 3.5% interest compounded semi-annually. If
she leaves her money in the account for four years what would be her account BALANCE?
(Balance – initial investment plus interest)
5.) A radioactive sample has a half-life of 3 years and has an initial mass of 68 grams. How many
months will it take the sample to lose 8 grams?
6.) The population of a town triples every 6 years. If 4000 people are present in 2016, how many
people will be in the town in 2026?
Transcribed Image Text:1.) Kay invests $5,000 for years into an account compounded continuously at a rate of 4.5%. What is the balance after 6 years? 2.) Ted wants to triple his money. It is in an account that pays 5% interest compounded continuously. how long will it take to triple his money? 3.) Jose's' car depreciates at a rate of 12% per year. He bought his car three years ago for $25,000, how much is it worth today? 4.) Aneisha deposited $7,000 into an account paying 3.5% interest compounded semi-annually. If she leaves her money in the account for four years what would be her account BALANCE? (Balance – initial investment plus interest) 5.) A radioactive sample has a half-life of 3 years and has an initial mass of 68 grams. How many months will it take the sample to lose 8 grams? 6.) The population of a town triples every 6 years. If 4000 people are present in 2016, how many people will be in the town in 2026?
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