SOLUTION: Let X be the amount (in hundreds of dollars) a company spends on advertising, and let P be the profit. If {{{P=40+6x-x^2}}}, what amount of advertising gives maximum profit? what i

Question 22454: Let X be the amount (in hundreds of dollars) a company spends on advertising, and let P be the profit. If , what amount of advertising gives maximum profit? what is the profit?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
There are many ways to determine the maximum or minimum of a quadratic equation. You should use the method you are presently studying.
Your equation has a maximum at x=3. Put x=3 into the the profit equation
to find the maximum profit.
Cheers,
Stan H.
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