Question

The yearly profit of a company in thousands of dollars is given by the finction P(x) =3000+1200-6x^2 where x is the amount in thousands the company spneds on advertising. Find the amount ,x, that the company has to spend to maxamize its profit

Answer 1

the maximum or minimum happens when x=-b/2a
x=-1200/[2*(-6)]=100


the maximum happens when x=100