he following data represent the total revenue R (in dollars) received from selling x bicycles at Tunney’s Bicycle Shop 

(a) Find the average rate of change in revenue from x = 25 to x = 150 bicycles. 

(b) Find the average rate of change in revenue from x = 25 to x = 102 bicycles. 

(c) Find the average rate of change in revenue from x = 25 to x = 60 bicycles. 

(d) Using a graphing utility, find the quadratic function of best fit. 

(e) Using the function found in part (d), determine the instantaneous rate of change of revenue at bicycles.

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Number of Total Revenue, R (in Dollars) Bicycles, x 25 28,000 60 45,000 53,400 102 59,160 150 190 62,360 223 64,835 66,525 249