A consumer index is listed for years 2008 to 2015 in the table below. Complete parts (a) through (d)Year20112014 20152008872009 201057Index406484106(a) Plot the data with x=8 corresponding to the year 2008ononOAconAY12070-20-1013892B.AY120-70-20-2012639669101320135716QQ23Ay12070-20T10(b) Use quartic regression to find a fourth-order polynomial function f(x) that models these data*(x)=x¹ + x² +(Round to three decimal places as needed)x²+x+O(+1323D.Ay120-++++||||70-|||||||Hot ||||||||||||600.1013oOU

In this problem, we are given a consumer index data for the years 2008 to 2015. The consumer index…

A consumer index is listed for years 2008 to 2015 in the table below. Complete parts (a) through (d) D Year 2008 Index 2009 2010 2011 57 87 40 64 (a) Plot the data with x=8 corresponding to the year 2008 120 70- 10 13 OB. AY 120- 70- 2012 63 10 2013 57 2014 2015 84 106 Ay 120- 70- 20- 10 (b) Use quartic regression to find a fourth-order polynomial function f(x) that models these data *x)=0x²+x²³+0+0+0 (Round to three decimal places as needed) 13 20 Ay 126- 70- ww Q 200

A consumer index is listed for years 2008 to 2015 in the table below. Complete parts (a) through (d) D Year 2008 Index 2009 2010 2011 57 87 40 64 (a) Plot the data with x=8 corresponding to the year 2008 120 70- 10 13 OB. AY 120- 70- 2012 63 10 2013 57 2014 2015 84 106 Ay 120- 70- 20- 10 (b) Use quartic regression to find a fourth-order polynomial function f(x) that models these data *x)=0x²+x²³+0+0+0 (Round to three decimal places as needed) 13 20 Ay 126- 70- ww Q 200

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter4: Polynomial And Rational Functions

Section4.6: Rational Functions

Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.

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