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- 1. 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
- 2. Multiple Choice
Is the pictured graph growth, decay, or linear or none?Exponential GrowthExponential DecayLinearNone - 3. Multiple ChoiceIs this exponential growth or decay?GrowthDecay
- 4. 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 - 5. 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
- 6. 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
- 7. 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
- 8. 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
- 9. Multiple ChoiceA stamp gets more expensive each year. It increases in value by 60 % each year. What is the growth FACTOR?.61.061.6.4
- 10. Multiple ChoiceSuppose you deposit $3000 in a savings account that pays interest at an annual rate of 4%. What is the growth factor?.961.41.04$3000
- 11. 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
- 12. 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
- 13. Multiple ChoiceSince January 1980, the population of the city of Brownville has grown according to the mathematical model y=720,500(1.022)x, where x is the number of years since January 1980. What is the was the population of Brownville in 1980?102.2 people720,500 people1.022 people1022 people
- 14. 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
- 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
- 16. Multiple ChoiceIn 1985, there were 285 cell phone subscribers in the small town of Centerville. The number of subscribers increased by 75% per year after 1985. How many cell phone subscribers were in Centerville in 1994?OVERFLOW1994100043871
- 17. Multiple ChoiceYou buy a new computer for $2100. The computer decreases by 50% annually. How much is it worth after 2 years.225325425525
- 18. Multiple ChoiceThe population of Bloom Falls, Mass. (population 937) is slowly moving to a bigger city.
Every year the population drops by 4.5%. What is the population after 3 years?1,069 people894 people816 people854 people - 19. Multiple Choice
The city of Whoville has been much more stable since the Grinch turned his life around. The population of 900 is increasing at a rate of 7.5% per year. If the population continues growing at the same rate, how many people will there be in 11 years?
424288
1994
10642
900
- 20. Multiple Choice
The Country of Puerto has 3,370,000 people in it and is decreasing at a rate of 4.5%. Estimate the population after 40 years.
534,275
19,601,148
1,350,756
2,521,541
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