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Mathematics 11 Online
OpenStudy (anonymous):

The number of Mosquitos, in millions, in a certain area depends on the June rainfall (x) in inches according to the function M(x) = 17x-x^2. What rainfall produces the maximum number of mosquitos?

OpenStudy (anonymous):

max is at \[\frac{-b}{2a}=\frac{17}{2}\]

OpenStudy (anonymous):

or 8.5 if you prefer

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