The total daily cost (in dollars) of producing a mountain bikes is given by C(x)=956+5 +0.11 The average cost function C (x) decreases until x = c and increases afterwards. If the goal of the company is to make the mountain bike as affordable as possible, they should target the production level of c mountain bikes daily. Find c. Round to 2 decimal places. mountain bikes daily

Often sales of a new product grow rapidly at first and then level off with time. This is the case with the sales represented by the function S(t) = 100-100t¹, where t represents time in years. Find the rate of change of sales for the following number of years. a. 4 years The rate of change in sales after 4 years is (Type an integer or decimal rounded to the nearest thousandth as needed.) b. 8 years The rate of change in sales after 8 years is (Type an integer or decimal rounded to the nearest thousandth as needed.)

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