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The Consumer Price Index (CPI), which measures the cost of a typical package of consumer goods, was 224.2 in 2011 and 233.2 in 2016. Let x = 11 correspond to the year 2011 and estimate the CPI in 2014 and 2015. Assume that the data can be modeled by a straight line and that the trend continues indefinitely. Use two data points to find such a line and then estimate the requested quantities. Let y represent the CPI. The linear equation that best models the CPI is (Simplify your answer. Use integers or decimals for any numbers in the equation. Round to the nearest hundredth as needed.)

The Consumer Price Index (CPI), which measures the cost of a typical package of consumer goods, was 224.2 in 2011 and 233.2 in 2016. Let x = 11 correspond to the year 2011 and estimate the CPI in 2014 and 2015. Assume that the data can be modeled by a straight line and that the trend continues indefinitely. Use two data points to find such a line and then estimate the requested quantities. Let y represent the CPI. The linear equation that best models the CPI is (Simplify your answer. Use integers or decimals for any numbers in the equation. Round to the nearest hundredth as needed.)

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.3: Lines
Problem 92E
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The Consumer Price Index (CPI), which measures the cost of a typical package of consumer goods, was 224.2 in 2011 and 233.2 in 2016. Let x = 11 correspond to the year 2011 and estimate the CPI in 2014 and 2015. Assume that the data can be modeled by a straight line and that the trend continues indefinitely. Use two data points to find such a line and then estimate the requested quantities. Let y represent the CPI. The linear equation that best models the CPI is (Simplify your answer. Use integers or decimals for any numbers in the equation. Round to the nearest hundredth as needed.)
Transcribed Image Text:The Consumer Price Index (CPI), which measures the cost of a typical package of consumer goods, was 224.2 in 2011 and 233.2 in 2016. Let x = 11 correspond to the year 2011 and estimate the CPI in 2014 and 2015. Assume that the data can be modeled by a straight line and that the trend continues indefinitely. Use two data points to find such a line and then estimate the requested quantities. Let y represent the CPI. The linear equation that best models the CPI is (Simplify your answer. Use integers or decimals for any numbers in the equation. Round to the nearest hundredth as needed.)
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