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R2.38. Gasoline Since clean-air regulations have dictated the use of unleaded gasoline, the supply of leaded gas in New York state has diminished. The following table was given on the August 2001 New York State Math B exam, a statewide achievement test for high school students. Year 1984 1988 1992 1996 Gallons (1000's) 150 124 104 76 2000 50 a) Create a linear model and predict the number of gallons available in 2015. Comment. b) The exam then asked students to estimate the year when leaded gasoline will first become unavailable, expecting them to use the model from part a to answer the question. Explain why that method is incorrect. c) Create a model that would be appropriate for that task, and make the estimate. d) The "wrong" answer from the other model is fairly accu- rate in this case. Why?

R2.38. Gasoline Since clean-air regulations have dictated the use of unleaded gasoline, the supply of leaded gas in New York state has diminished. The following table was given on the August 2001 New York State Math B exam, a statewide achievement test for high school students. Year 1984 1988 1992 1996 Gallons (1000's) 150 124 104 76 2000 50 a) Create a linear model and predict the number of gallons available in 2015. Comment. b) The exam then asked students to estimate the year when leaded gasoline will first become unavailable, expecting them to use the model from part a to answer the question. Explain why that method is incorrect. c) Create a model that would be appropriate for that task, and make the estimate. d) The "wrong" answer from the other model is fairly accu- rate in this case. Why?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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R2.38. Gasoline Since clean-air regulations have dictated the use of unleaded gasoline, the supply of leaded gas in New York state has diminished. The following table was given on the August 2001 New York State Math B exam, a statewide achievement test for high school students. Year 1984 1988 1992 1996 Gallons (1000's) 150 124 104 76 2000 50 a) Create a linear model and predict the number of gallons available in 2015. Comment. b) The exam then asked students to estimate the year when leaded gasoline will first become unavailable, expecting them to use the model from part a to answer the question. Explain why that method is incorrect. c) Create a model that would be appropriate for that task, and make the estimate. d) The "wrong" answer from the other model is fairly accu- rate in this case. Why?
Transcribed Image Text:R2.38. Gasoline Since clean-air regulations have dictated the use of unleaded gasoline, the supply of leaded gas in New York state has diminished. The following table was given on the August 2001 New York State Math B exam, a statewide achievement test for high school students. Year 1984 1988 1992 1996 Gallons (1000's) 150 124 104 76 2000 50 a) Create a linear model and predict the number of gallons available in 2015. Comment. b) The exam then asked students to estimate the year when leaded gasoline will first become unavailable, expecting them to use the model from part a to answer the question. Explain why that method is incorrect. c) Create a model that would be appropriate for that task, and make the estimate. d) The "wrong" answer from the other model is fairly accu- rate in this case. Why?
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