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Mathematics 26 Online
OpenStudy (anonymous):

On a sunny day,the daily profit, P dollars,of a popcorn vendor is modelled by the equation P= -60(x-4)^2 +120 where x is the price of a bag of popcorn. a) What should the price be to maximize daily profit ? b) What is the maximum amount of daily profit ? Need steps, Thanks :) On a sunny day,the daily profit, P dollars,of a popcorn vendor is modelled by the equation P= -60(x-4)^2 +120 where x is the price of a bag of popcorn. a) What should the price be to maximize daily profit ? b) What is the maximum amount of daily profit ? Need steps, Thanks :) @Mathematics

OpenStudy (anonymous):

The maximum occurs at the vertex (4, 120). You can find this because the parabola opens down and the equation is in vertex form already. Therefor the price should be $4 and the max profit is $120.

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