Year 2007 2008 2009 2010 Net Profit| 14,065 17,681 14,569 18,760 Year 2011 2012 2013 2014 Net Profit 23,150 23,171 22,453 22,074
Year 2007 2008 2009 2010 Net Profit| 14,065 17,681 14,569 18,760 Year 2011 2012 2013 2014 Net Profit 23,150 23,171 22,453 22,074
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
The table shows the net profits (in millions of dollars) for Microsoft from 2007 through 2014. (Source: Microsoft Corp.)
(a) Set up a system of equations to fit the data for the years 2007, 2008, 2009, and 2010 to a cubic model.
(b) Solve the system. Does the solution produce a reasonable model for determining net profits after 2010? Explain.
Transcribed Image Text:Year
2007
2008
2009
2010
Net Profit| 14,065
17,681 14,569 18,760
Year
2011
2012
2013
2014
Net Profit 23,150
23,171 22,453 22,074
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