Solve the problem.
-The number of mosquitoes $M ( x )$, in millions, in a certain area depends on the June rainfall $x$, in inches: $M ( x ) = 2 x - x ^ { 2 }$. What rainfall produces the maximum number of mosquitoes?
A) 4 in.
B) 0 in.
C) 2 in.
D) 1 in.

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The Answer of Solve the problem.
-The number of mosquitoes $M ( x )$, in millions, in a certain area depends on the June rainfall $x$, in inches: $M ( x ) = 2 x - x ^ { 2 }$. What rainfall produces the maximum number of mosquitoes?
A) 4 in.
B) 0 in.
C) 2 in.
D) 1 in.

Solve the Problem M(x)M ( x )M(x) , in Millions, in a Certain Area Depends on the )

Solve the Problem $M ( x )$ , in Millions, in a Certain Area Depends on the )