B'(x)

x_1

x_0

Änderungsrate B'(x)

Bestand B(x)

B(x_0)

B'(x_1)

g(x) = If[4 ≤ x ≤ 12, (1 / 4 * x^(4)) - (8 * x^(3)) + (88 * x^(2)) - (384 * x) + 576]
B = Point(yAxis)
h(x) = g(x - 1)
X = Point(xAxis)
t: x(X)
A = Point(xAxis)
t0: x(A)
gl1: x = x(X)
B0: y(B)
Z: (t | g(t))
I = Integral(g, t0, t)