A firm's marginal revenue and marginal cost functions are given by ../.... MR = R'(x) = 315 - 0.3x2 and MC = C'(x) = 45 +0.9x2. = = Fixed costs are 10. a) Write down an expression for total revenue and deduce the corresponding demand function. b) Write down an expression for the total cost function. c) Determine the maximum profit
