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5. Writing Profits Practice-in each of the following situations, write an expression for profits. Then take a derivative with respect to q and solve for the profit-maximizing q a. The case where market price is equal to $30 and the cost function is c(q)-5 + 3q b. The case where market price is equal to $130 and the cost function is c(ą) -510q 3q2 c. The case where market price is left general, equal to the constant, P, and the cost function is c))q. Note that here when you find the optimal quantity, it will be a function of P

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