Cost, revenue, and profit are in dollars and x is the
number of units.
Suppose that the total revenue function for a product is
R(x) = 55x
and that the total cost function is
C(x) = 2200 + 35x + 0.01x2.
(a) Find the profit from the production and sale of 500 units.
(b) Find the marginal profit function
(c) Find MP at x = 500.
Explain what it predicts.
The total profit will ------ by approximately $------- on the sale of the next (501st) unit.
(d) Find P(501) − P(500).
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