[1/5 Points] DETAILS PREVIOUS ANSWERS LCALCCON5 3.1.036. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The table...

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[1/5 Points] DETAILS PREVIOUS ANSWERS LCALCCON5 3.1.036. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The table gives the cumulative sales of iPods since their introduction. Cumulative iPod Sales Year Sales (million iPods) 2003 2.52 2004 5.136 2005 27.333 2006 67.342 2007 2008 120.472 173.1 (a) Find the function for the quadratic model that gives sales in million iPods, where x is the number of years after 2003, with data from 0 x 5. (Round all numerical values to three decimal places.) s(x) = million iPods (b) Write the derivative for the sales model. (Round all numerical values to three decimal places.) s'(x) = million iPods per year (c) Calculate the rate of change of cumulative sales in 2008. (Round your answer to three decimal places.) million iPods per year Interpret the rate of change of cumulative sales in 2008. (Round your answer to three decimal places.) In 2008, cumulative iPod sales were increasing million per year. Need Help? Read It by [1/5 Points] DETAILS PREVIOUS ANSWERS LCALCCON5 3.1.036. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The table gives the cumulative sales of iPods since their introduction. Cumulative iPod Sales Year Sales (million iPods) 2003 2.52 2004 5.136 2005 27.333 2006 67.342 2007 2008 120.472 173.1 (a) Find the function for the quadratic model that gives sales in million iPods, where x is the number of years after 2003, with data from 0 x 5. (Round all numerical values to three decimal places.) s(x) = million iPods (b) Write the derivative for the sales model. (Round all numerical values to three decimal places.) s'(x) = million iPods per year (c) Calculate the rate of change of cumulative sales in 2008. (Round your answer to three decimal places.) million iPods per year Interpret the rate of change of cumulative sales in 2008. (Round your answer to three decimal places.) In 2008, cumulative iPod sales were increasing million per year. Need Help? Read It by