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- 1. Multiple Choice
Is the pictured graph growth, decay, or linear or none?Exponential GrowthExponential DecayLinearNone - 2. Multiple ChoiceFind the exponential model of the function.y = 100(8.8)xy = 100(1.88)xy = 100(.88)xy = 100(.12)x
- 3. Multiple ChoiceA chemist has a 100-gram sample of a radioactive material. He records the amount of radioactive material every week for 6 weeks and obtains the following data: How much is left after 12 weeks?15211719
- 4. Multiple ChoiceWrite the exponential regression equation for this data.Y = 8.16(2.7)XY = 81.6(2.7)XY = 8.16(.27)XY = 8.16(27)X
- 5. Multiple ChoiceWrite the exponential regression equation for this data.Y = 8.16(2.7)XY = 81.6(2.7)XY = 8.16(.27)XY = 8.16(27)X
- 6. Multiple ChoicePredict the year when Sugar Land’s population will reach 75,000.2015199119922010
- 7. Multiple ChoiceAfter 9 days, approximately how many grams of this substance will exist?about 64244about 173602about 23774about 469111
- 8. Multiple ChoiceGreenville is having a blizzard. It has already snowed 1 inch and the total will double each hour. Write an equation for the total inch of snow in x hour.y=1(2)xy=1(1/2)xy=2(1/2)xy=2(2)x
- 9. Multiple ChoiceIn an exponential function, what does the 'a' represent?SLOPERATE OF CHANGEY-INTERCEPTCOMMON RATIO
- 10. Multiple ChoiceWhat is the equation of this table?y=512(1/4)xy=32(4)xy=32(1/4)xy=512(4)x
- 11. Multiple ChoiceA new savings account is opened with $400 and gains 3% every year. What is the exponential function?f(x)=400(1+3)xf(x)=400(1-0.03)xf(x)=400(1+0.03)xf(x)=400(0.03)x
- 12. Multiple ChoiceThe value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?y=8(15,000)xy=15,000(1.08)xy=15,000(0.92)xy=15,000(0.08)x
- 13. Multiple Choiceg(x)=3(2)x
Find g(3)216241828 - 14. Multiple ChoiceAn adult takes 800 mg of ibuprofen. Each hour, the amount of ibuprofen in the person’s system decreases by about 29%. How much ibuprofen is left after 6 hours?101102103104
- 15. Multiple ChoiceYour shiny new boat cost $7650. The depreciation for your boat is 14% per year. What is the decay factor?0.14141.14.86
- 16. Multiple ChoiceWhich of the equations below represent this table?y=3⋅(36)xy=36⋅(3)xy=3⋅(⅓)xy=36⋅(⅓)x
- 17. Multiple ChoiceWrite the equation that represents the table below:y=½(4)xy=2(4)xy=4(2)xy=4(½)x
- 18. Multiple ChoiceDescribe the association of the scatter plotLinearLinear; negative associationExponential; GrowthExponential; Decay
- 19. Multiple ChoiceUse the exponential regression to find an equation that fits the data, where x is the years since 1990.y=8.92•1.23xy=1.23•8.92xy=8.92+1.23xy=8.92x+1.23
- 20. Multiple ChoicePlease round your decimals to the nearest hundredth in your exponential regression!!!!!! What is the estimated number of cell phone subscribers in 2018?2936 millions847 millions4441 millions370 millions
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