Distance Learning Week 7
Exponential Growth and Decay
Write the exponential growth equ...
Mathematics, 19.05.2020 20:04 edwmal638
Distance Learning Week 7
Exponential Growth and Decay
Write the exponential growth equation using the formula y = a(1 + r)t
1. The original value of an investment is $1400, and the value increases by 9% each year. Write an exponential growth function to model the situation.
2. The cost of tuition at a college is $12,000 and is increasing at a rate of 6% each year. Write an exponential growth function to model the situation.
3. The number of student athletes at a local high school is 300 and is increasing at a rate of 8% per year. Write an exponential growth function to model the situation.
4. In 1985, there were 285 cell phone subscribes in Saginaw. The number of subscribes increased by 75% per year after 1985. Write an exponential growth function to model the situation.
5. The population of a small town is 1600 and is increasing at a rate of 3% per year. Write an exponential growth function to model the situation.
Write the exponential decay equation using the formula y = a(1 – r)t.
6. The value of a car is $18,000 and depreciating at a rate of 12% per year. Write an exponential decay function to model the situation.
7. A farmer buys a tractor for $50,000. If the tractor depreciates 10% per year, write an exponential decay function to model the situation.
8. The population of a town is decreasing at a rate of 1% per year. In 2000 there were 1300 people. Write an exponential decay function to model the situation.
9. An investment of $8200 loses value at a rate of 2% per year. Write an exponential decay function to model the situation.
10. The population in Haywardsville is decreasing at a rate of 2.5% per year. If the population in 2000 was 28,000, write an exponential decay function to model the situation.
PLEASE HELP DONT NEED AN EXPLANTION JUST ANSWERS
Answers: 2
Mathematics, 21.06.2019 13:30, adreyan3479
Combined megan and kelly worked 60 hours. kelly worked twice as many hours as megan. how many hours did they each worked?
Answers: 3
Mathematics, 21.06.2019 16:10, GgRed
Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.
Answers: 1
Mathematics, 22.06.2019 01:50, Savageman9509
The length of time it takes to find a parking space at 9 a. m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)
Answers: 1
English, 23.02.2021 08:00
Mathematics, 23.02.2021 08:00
Computers and Technology, 23.02.2021 08:00
History, 23.02.2021 08:00
Mathematics, 23.02.2021 08:00
Mathematics, 23.02.2021 08:00