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Annotate TI Edit Trial expired Buy Full Version MATH 148 Final F20 AAA T 5 6) A factory produces kitchen knives, and the cost of producing x knives is given by the function C(x) - 20x + 1000, where C is measured in dollars. The company knows that if they sell the knives for $100, they can sell 2000. If they increase the price to $110, they will only sell 1800 knives. Assume the price function is linear. a. Find the marginal average cost. b. Find the price function p(x) and revenue function R(x). c. Find the profit when production is at 1000 knives. d. Find the marginal profit when production is at 1000 knives, and explain what this represents. EXTRA CREDIT