Suppose it has been determined that the demand (in thousands of dollars) for a certain item is given by the equation
and the cost of producing x hundred items is given by C(x) = 5x + 10. Determine
(a) the revenue function,
(b) the Profit function,
(c) estimate the level of production x, at which profit will be maximized,
(d) from your estimate in (c), what price should be charged to maximize profit?