SOLUTION: A manufacturing company found that the equation P(x)=-3.4x^2=271.2x=264 could be sued to approximate their profit per day for x items produced. How many objects would need to be

Question 926681: A manufacturing company found that the equation P(x)=-3.4x^2=271.2x=264 could be sued to approximate their profit per day for x items produced.
How many objects would need to be sold in order to maximize profit? what is the maximum profit?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
You have too many = signs.

Assuming the last two = signs are + or -, note that the vertex of a parabola of the form

occurs at x = -b/2a (this follows from completing the square or elementary calculus), and if a is negative, x = -b/2a gives you the number of objects to maximize profit.
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