he table shows the number of cellular phone subscribers (In millions) in the United States for selected years. f Year 1990 1993 1996 1999 2002 2005 86 141 206 Number 5 16 44 (a) Use the regression capabilities of a graphing utility to find a mathematical model of the form y at + bt + c for the data. In the model, y rem (Round your coefficients to three decimal places.) y%3D (b) Use a graphing utility to plot the data and graph the model. 350 350 300 300 250 250 200 200 150 150 100 100 50 50 468 10 12 14 16 18 20 8 10 12 14 16 18 20 350 350 300 300 250 250 200 y 200 150 150 100 100 50 50 1995 2000 2005 2010 01990 1996 2000 2005 2010 (c) Use the model to predict the number of cellular phone subscribers in the United States in the vear 2011 Need Help? Resd Watch

he table shows the number of cellular phone subscribers (In millions) in the United States for selected years. f Year 1990 1993 1996 1999 2002 2005 86 141 206 Number 5 16 44 (a) Use the regression capabilities of a graphing utility to find a mathematical model of the form y at + bt + c for the data. In the model, y rem (Round your coefficients to three decimal places.) y%3D (b) Use a graphing utility to plot the data and graph the model. 350 350 300 300 250 250 200 200 150 150 100 100 50 50 468 10 12 14 16 18 20 8 10 12 14 16 18 20 350 350 300 300 250 250 200 y 200 150 150 100 100 50 50 1995 2000 2005 2010 01990 1996 2000 2005 2010 (c) Use the model to predict the number of cellular phone subscribers in the United States in the vear 2011 Need Help? Resd Watch

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section2.7: More On Inequalities

Problem 44E

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