K(x) = 0.01 * x^(3) - 0.4 * x^(2) + 6 * x + 200
Kquer(x) = K(x) / x
Kquer'(x) = Kquer'(x)
A = Intersect(Kquer', xAxis, (30.64695384570865, 2.59165128884959E-12))
BOP_1: (x(A), Kquer(x(A)))
Fixkosten: K(0)
Kvar(x) = K(x) - Fixkosten
Kvarquer(x) = Kvar(x) / x
Kvarquer'(x) = Kvarquer'(x)
B = Intersect(Kvarquer', xAxis, (20.00000000000001, 2.7284841053187815E-16))
p(x) = -0.5 * x + 40
BMIN: (x(B), Kvarquer(x(B)))