6.02 Quiz Exponential Growth And Decay

Question: Which equations represent exponential growth?

Answer: A=20,000(1.08)^t

A=40(3)^t

P=1700(1.07)^t

Question: Which equations represent exponential decay?

Answer: A=80(1/2)^t

P=1700(0.93)^t

A=1600(0.8)^t

Question:

Answer: 745

Question: Lynne invested $35,000 into an account earning 4% annual interest compounded quarterly. She makes no other deposits into the account and does not withdraw any money.

What is the balance of Lynne’s account in 5 years?

Answer: 42,706.65

Question: The bird population on an island is declining at a rate of 2.2% per year. The population was 3500 in the year 2016.

Which answer is the best prediction of the population in the year 2022?

Answer: 3063

Question: In the year 2016, the estimated population of Canadian geese in a city was 750. The Canadian geese population is expected to grow at a rate of 12% each year.

What is the Canadian geese population in 2022?

Round the answer to the nearest whole number.

Enter your answer in the box.

Answer: 1480