SOLUTION: the total profit for a company to manufacture and sell x items per week is: p=-5x^2+40x-300. How many items must be sold to obtain a weekly profit of $300?
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Question 480281: the total profit for a company to manufacture and sell x items per week is: p=-5x^2+40x-300. How many items must be sold to obtain a weekly profit of $300?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Set the given function equal to 300 and solve the resulting quadratic equation. The trouble is that you have a profit function that doesn't work. Perhaps you have written it incorrectly -- for example \ =\ -5x^2\ +\ 40x\ +\ 300)
-- note the positive sign on the constant term -- has two real solutions. For the function given, the company loses money (negative profit) regardless of the value of 
.
John
My calculator said it, I believe it, that settles it
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