Using the revenue data for Yaster Inc. for the past few years, we apply linear regression to the data to find a model y = 33.2 x 78.75, where y is Yaster's annual revenue in billions of US dollars, and is the number of years since 2010. Use this model, together with the revenue model you found for Amazon to answer the question below. When will Yaster's revenue overtake Amazon? Note: I am asking for the year, not the number of years since 2010. This may happen between two years. Round to the nearest year.

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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Using the revenue data for Yaster Inc. for the past few years, we apply linear regression to the data
to find a model
y = 33.2 x 78.75,
where y is Yaster's annual revenue in billions of US dollars, and a is the number of years since 2010.
Use this model, together with the revenue model you found for Amazon to answer the question
below.
When will Yaster's revenue overtake Amazon?
Note: I am asking for the year, not the number of years since 2010. This may happen between two
years. Round to the nearest year.
Transcribed Image Text:Using the revenue data for Yaster Inc. for the past few years, we apply linear regression to the data to find a model y = 33.2 x 78.75, where y is Yaster's annual revenue in billions of US dollars, and a is the number of years since 2010. Use this model, together with the revenue model you found for Amazon to answer the question below. When will Yaster's revenue overtake Amazon? Note: I am asking for the year, not the number of years since 2010. This may happen between two years. Round to the nearest year.
Amazon Revenue
The annual revenue of Amazon is given in the table below (source ).
Year
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
Amazon Annual
Revenue
(Billions of US dollars)
386.064
280.522
232.887
177.866
135.987
107.006
88.988
74.452
61.093
48.077
34.204
See the Regression page in the Chapter 1: Linear Equations and Graphs module for details on
creating a regression model.
Apply linear regression to the data in the table to find a model
y = mx + b,
where y is Amazon's annual revenue in billions of US dollars, and is the number of years since
2010.
Transcribed Image Text:Amazon Revenue The annual revenue of Amazon is given in the table below (source ). Year 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 Amazon Annual Revenue (Billions of US dollars) 386.064 280.522 232.887 177.866 135.987 107.006 88.988 74.452 61.093 48.077 34.204 See the Regression page in the Chapter 1: Linear Equations and Graphs module for details on creating a regression model. Apply linear regression to the data in the table to find a model y = mx + b, where y is Amazon's annual revenue in billions of US dollars, and is the number of years since 2010.
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