5. [/4 Points] TANAPCALC10 3.4.011. ASK YOUR TEACHER PRACTICE ANOTHER 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 rst 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). C(X) = 140x + 21,000 and R00 = 0.04X2 + 800x (a) Find the profit function P. P(X) = (b) Find the marginal profit function P'. P'(x) = (c) Compute the following values. P'(3,500) = : P'(9,000) = Need Help? mu Mean