A record store is deciding on what price to sell its basic used cds and lps for. The profit model is P(x, y) = e e9x+10y-x²-y²-33 dollars per month where x is the price per cd (in dollars) and y is price per lp (in dollars). To maximize profit the store store should charge: dollars dollars per cd, per lp. The maximum profit earned in a month is: dollars.

A record store is deciding on what price to sell its basic used cds and lps for. The profit model is P(x, y) = e e9x+10y-x²-y²-33 dollars per month where x is the price per cd (in dollars) and y is price per lp (in dollars). To maximize profit the store store should charge: dollars dollars per cd, per lp. The maximum profit earned in a month is: dollars.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

A record store is deciding on what price to sell its basic used cds and lps for. The profit
model is
P(x, y) = e⁹x-
₂9x+10y=x²-y²−33 dollars per month
where x is the price per cd (in dollars) and y is price per lp (in dollars).
To maximize profit the store store should charge:
dollars per cd,
dollars per lp.
The maximum profit earned in a month is:
dollars.

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