eBay is the leading online auction house. eBays annual net
Chapter 6, Problem 101(choose chapter or problem)
eBay is the leading online auction house. eBays annual net profit can be modeled by the polynomial function P1x2 = 0.48x3 + 2.06x2 + 141x + 9.71, where P1x2 is net profit in millions of dollars and x is the number of years since 2000. eBays annual revenue can be modeled by the function R1x2 = 1011x - 288, where R1x2 is revenue in millions of dollars and x is years after 2000. (Source: eBay, Inc., annual reports 20002010)a. Given that Net profit margin = net profitrevenue ,write a function, m1x2, that models eBays net profitmargin.b. Use part (a) to predict eBays profit margin in 2015.Round to the nearest hundredth.
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