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The cost, in dollars, of processing x pounds of sugarcane can be modeled by the cost function: C(I) = 0.001x3 + 6 + 230 What is the instantaneous rate of change of the cost when 100 pounds of sugarcane are produced? This means that after 100 pounds of sugarcane are processed, the cost to produce one extra pound is (increasing/decreasing) by $ per pound. What is the average cost of processing 100 pounds of sugarcane? per pound