Assuming that the polynomial approximation in ExercisesBusiness The accompanying bar graph shows the net earnings (in millions of dollars) of the Starbucks Corporation. The polynomial−1.48x4 + 50.0x3 − 576x2 + 2731x– 4027 gives a good approximation of Starbucks’s net earnings in year x, where x= 3 corresponds to 2003, x= 4 to 2004, and so on (3 ≤ x≤ 12). For each of the given years,
(a) use the bar graph to determine the net earnings;
(b) use the polynomial to determine the net earnings.
(Data from: www.morningstar.com.)
remains accurate in later years, use it to estimate Starbucks’s net earnings in each of the following years.
2014
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