Assume that the following has a linear cost function Fixed Cost Marginal Cost per item Item Sells For $100 $17 Find the following (a) the cost function (b) the revenue function (c) the profit function (d) the profit on 98 items (a) The cost function is C(x) = (Simplify your answer. Do not include the $ symbol in your answer ) (b) The revenue function is R(x) = (Simplify your answer. Do not include the $ symbol in your answer!) (c) The profit function is P(x) = Simplify your answer. Do not include the $ symbol in your answer) (d) The profit on 98 items is $ Simplify your answer.)