Can anyone answer this question?


Optimum level of Q that maximises profit?
-2Q*2+40Q+60
*2 here is supposed to be squared sign.
The answer is apparently 10 but I don't know how it was solved.


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What Guys Said 1

  • See if you can understand this, but it explains. Essentially, you are using the quadratic formula. You have to find the maximum point which is the midpoint of the parabola.

    www.algebralab.org/.../Word.aspx

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