Respuesta :

x,a(x)=-x²+14x          x=0            x=14-a

m(x)=-x²+14x
m'(x)=-2x+14
set this equal to 0 and solve for x
-2x+14=0
-2x=-14
x=7
m(7)=-7²+14(7)=-49+98=49 million mosquitoes