g(x)

e(x)

k(x)

Erlös

Gewinn

g(x) = ((-(1 / 10)) * x^(3)) + (3 * x^(2)) + (5 * x) - 200
b: g(25)
a: g(0)
g0(x) = If[0 ≤ x ≤ 80, g(x)]
e(x) = (60 * x)
k(x) = e(x) - g(x)
c: k(40)
g2(x) = g''(x)
k2(x) = k''(x)
e0(x) = If[x ≥ 0, e(x)]
k0(x) = If[x ≥ 0, k(x)]
d = false
f = false