Q. The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the decay factor?

Q. Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

Q. Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

Q. Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)³

Q. What type of function is y = 7(5/4)^x?

Q. James' 70 in. giant peach doubles in size every week. Write an expression that would represent how big the peach is after 5 weeks.

Q. Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

Q. Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

Q. A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?

Q. Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?

Q. The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

Q. Twenty years ago, Mr. Davis purchased his home for $160,000. Since then, the value of the home has increased about 5% per year. How much is the home worth today?

Q. Suppose you deposit $3000 in a savings account that pays interest at an annual rate of 4%. If no other money is added or withdrawn from the account, how much will be in the account after 10 years?

Q. The attendance at the art museum at the New Year’s opening was 250 people. The attendance has been increasing at a rate of 3% each month. How many people will attend by the end of a year?