The following table shows the price of Amazon's Kindle 2 e-book reader. It is adapted from data available on the web.t Here time is measured in months since February 2009, when the Kindle was launched. Time Price $349 $299 $249 10 15 $199 (a) By calculating differences, show that these data can be modeled using a linear function. A table of differences shows a common difference of dollars every 5 months. (b) Find a linear formula that models these data. Be careful about the sign of the slope. (Let t be the time in months since February 2009, and let K be the price in dollars.) K= (c) what price does your formula from part (b) project for May 2012 (39 months after the Kindle was launched)? Note: The web data were the basis for speculation that some day the Kindle will be free. |dollar(s)
The following table shows the price of Amazon's Kindle 2 e-book reader. It is adapted from data available on the web.t Here time is measured in months since February 2009, when the Kindle was launched. Time Price $349 $299 $249 10 15 $199 (a) By calculating differences, show that these data can be modeled using a linear function. A table of differences shows a common difference of dollars every 5 months. (b) Find a linear formula that models these data. Be careful about the sign of the slope. (Let t be the time in months since February 2009, and let K be the price in dollars.) K= (c) what price does your formula from part (b) project for May 2012 (39 months after the Kindle was launched)? Note: The web data were the basis for speculation that some day the Kindle will be free. |dollar(s)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter3: Straight Lines And Linear Functions
Section3.3: Modeling Data With Linear Functions
Problem 5E: Price of Amazons Kindle The following table shows the price of Amazons Kindle 2 e-book reader. It is...
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Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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