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- 1. Multiple ChoiceThe value of a car is $15,000 and depreciates at a rate of 8% per year. What is the decay factor?.081.08.928
- 2. Multiple ChoiceWhich of the following functions shows an initial amount of $15 and an increase of 35% each year?y = 15(35)xy = 15(1.35)xy = 15(0.35)xy = 35(1.15)x
- 3. Multiple ChoiceClassify the model as Exponential GROWTH or DECAY.
A=1200(.85)6GrowthDecay - 4. Multiple ChoiceClassify the model as Exponential GROWTH or DECAY.
A=10(1.01)3GrowthDecay - 5. Multiple ChoiceWhat type of function is y = 7(5/4)x?Exponential GrowthExponential DecayLinearNone of the above
- 6. Multiple ChoiceJames' 70 in. giant peach doubles in size every week. Write an expression that would represent how big the peach is after 5 weeks.70(2)3570(2)52(70)55(70)2
- 7. Multiple ChoiceWrite 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.y=6(0.14)xy=6(1+14)xy=6(1.14)xy=6(0.86)x - 8. Multiple ChoiceSuppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.y=5000(0.7)xy=30(5000)xy=5000(1.3)xy=5000xx
- 9. Multiple ChoiceA population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?1432743098397680
- 10. Multiple ChoiceDaniel’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?$23,219.72$136.72$51,710.94$16,710.94
- 11. Multiple ChoiceThe 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?9766900697655433
- 12. Multiple ChoiceTwenty 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?$176,783.29$424,527.63$57,357.75$532,041,076.80
- 13. Multiple ChoiceSuppose 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 If no other money is added or withdrawn from the account, how much will be in the account after 10 years?$3122.18$4994.50$4440.73$86,776.40
- 14. Multiple Choice
If you have $10, and your money doubles every year, how much money will you have in 10 years?
$50
$100
$5120
$10240
- 15. Multiple ChoiceThe 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?35626558251329
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