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Chapter 9 Review Questions

Chapter 9 Review Questions. Gasoline costs $2.79 per gallon. If the price per gallon increases an average of 3% per month, how much will the price of gas per gallon be in a year?. $3.98.

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Chapter 9 Review Questions

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  1. Chapter 9 Review Questions

  2. Gasoline costs $2.79 per gallon. If the price per gallon increases an average of 3% per month, how much will the price of gas per gallon be in a year? $3.98

  3. In 1990, the cost of tuition at a state university was $4300. During the next 8 years, the tuition rose 4% each year. Suppose you have a child that graduates from high school in the year 2030. How much could you expect to pay for their college tuition? $20,644.39

  4. A. Constant IncreaseB. Constant DecreaseC. Exponential GrowthD. Exponential Decay

  5. Suppose your uncle left you $10,000 in his will for graduate school. You put it in an account that pays 6% annual yield. How much interest will you have earned in six years? $4,185.19

  6. A new television costs $1200. The value of the television decreases by 21% each year. Estimate the value of the television after 2 years. $748.92

  7. A. Constant IncreaseB. Constant DecreaseC. Exponential GrowthD. Exponential Decay

  8. A diamond ring was purchased 20 years ago for $500. The value of the ring increased by 8% each year. What is the value of the ring today? $2,330.48

  9. A. Constant IncreaseB. Constant DecreaseC. Exponential GrowthD. Exponential Decay

  10. Suppose 12 deer are introduced to a 100 acre forest preserve. If the deer population doubles every year, how many deer with there be on the preserve after 15 years? 196608

  11. An airplane is flying at an altitude of 30,000 ft. The pilot is instructed to decrease the planes altitude by 10% each minute. What will be the planes altitude in 15 minutes? ≈6,176 ft

  12. A. Constant IncreaseB. Constant DecreaseC. Exponential GrowthD. Exponential Decay

  13. 1n 1991, there were a reported 28.5 thousand cases of tuberculosis reported in the U.S. Reports indicate that the number of cases is supposed to decline by 4.33% each year. Predict how many cases will be reported in 2008. ≈13.4 thousand

  14. There are 40,000 homes in your city. Each year 10% of the homes are expected to disconnect their land lines and use their cell phones for means of communication. How many homes will still have land lines in 15 year? ≈8,235

  15. A new car costs $23,000. The value decreases by 15% each year. Estimate the value of the car after 3 years. $14,124.88

  16. The high school enrollment in a rural community is currently 300 students and is decreasing by 5% a year. How many student will there be in the school in 10 years? ≈179

  17. In 2000, the average price of a football ticket for a Minnesota Vikings game was $48.28. During the next 4 years, the price increased an average of 6% each year. How much will the average price of a ticket be in the year 2015? $115.71

  18. A. Constant IncreaseB. Constant DecreaseC. Exponential GrowthD. Exponential Decay

  19. A. Constant IncreaseB. Constant DecreaseC. Exponential GrowthD. Exponential Decay

  20. A. Constant IncreaseB. Constant DecreaseC. Exponential GrowthD. Exponential Decay

  21. A. Constant IncreaseB. Constant DecreaseC. Exponential GrowthD. Exponential Decay

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