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Quadratic functions problem.. An amusement park charges $8 admission and average of 2000 visitors per day. A survey shows that for each $1 increase in the admission cost, 100 fewer people would visit the park. a) Write an equation to express the revenue, R(x) dollars, in terms of a price increase of x dollars b) Find the coordinates of the maximum point of this function c) What admission cost gives the maximum revenue? d) How many visitors give the maximum revenue

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