Maximizing Profits
A manufacturer of tennis rackets finds that the total cost C(x) (in dollars) of manufacturing x rackets/day is given by
C(x) = 500 + 7x + 0.0003x2.
Each racket can be sold at a price of p dollars, where p is related to x by the demand equation
p = 10 − 0.0002x.
If all rackets that are manufactured can be sold, find the daily level of production that will yield a maximum profit for the manufacturer. Hint: The revenue is
R(x) = px,
and the profit is
P(x) = R(x) − C(x).
rackets=
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