Multiple Choice
The quantity demanded each month of the Walter Serkin recording of Beethoven's Moonlight Sonata, manufactured by Phonola Record Industries, is related to the price/compact disc. The equation , where p denotes the unit price in dollars and x is the number of discs demanded, relates the demand to the price.
The total monthly cost (in dollars) for pressing and packaging x copies of this classical recording is given by .
To maximize its profits, how many copies should Phonola produce each month? Hint: The revenue is , and the profit is
.
A)
B)
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
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