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1. If the marginal cost for x items is C'(x) = 100 + e* and the fixed cost is $1500, determine the cost equation C(x). (Note: fixed cost is C(0) = 1500) 2. If the marginal profit is P'(x) = x3 - 2x + 100 and the profit for selling 10 items is $2000, determine the profit equation P(x) 3. Find the demand function for a clock manufacturer if marginal demand, in dollars, is given by p' (x) = -24x (3x2+1)2 and p(1) = 10, where x is the number of thousands of clocks sold