Marginal Profit for Producing Loudspeakers Acrosonic's production department estimates that the total cost in dollars) incurred in manufacturing x Electrostat speaker systems in the first year of production will be represented by the following function, where R(x) is the revenue function in dollars and x denotes the quantity demanded. Find the following functions (in dollars) and compute the values in dollars). and R(x) = -0.04x+800x C(x) = 100x + 31,000 (a) Find the profit function P.
(b) Find the marginal profit function P.
(c) Compute the following values. P"(3,500) - P"[9,000) =