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3. -1 points Ha 9.4.053 Suppose that the total cost function, in dollars, for the production of x units of a product is given by the equation shown below. C(x) 18,750 80x 0.3x2 Then the average cost of producing x items is represented by the following equaticn. total cost 18,750 80 0.3x C(x) (a) Find the instantaneous rate of change of average cost with respect to the number of units produced, at any level of production. No Ri (b) Find the level of production at which this rate of change equals zero. x No Response (c) At the value found in part (b), find the instantaneous rate of change of cost and find the average cost. instantaneous rate of change of cost $(No Response) (No Response) average cost What do you notice? The instantaneous rate of change of cost equals the average cost. The instantaneous rate of change of cost is less than the average cost. The instantaneous rate of change of cost is greater than the average cost. Need Help? Read It My Notes Ask Your Teacher