Question 812745
the vertex is the maximum profit
vertex x= (94.2857, P(x)=14668.6)

parabola
focus | (94.2857, 14668.5)
vertex | (94.2857, 14668.6)
semi-axis length | 0.119048
focal parameter | 0.238095
eccentricity | 1
directrix | y = 14668.7