$f$

$A$

$x_0$

Tangente

$f$

$\small f(x_0)$

\rotatebox{19}{\small\text{Tangente}}

f(x) = (505 / 14 * x^(3)) - (491 / 7 * x^(2)) + (505 / 14 * x)
B = (0.6922261712609433, -6.926430122938268)
C = (1.6922261712609434, -6.926430122938268)
D = (0.6907501979105173, 5.004145943740418)
A: (1, f(1))
h = OrthogonalLine(A, xAxis)
E = Intersect(h, xAxis)
i = Segment(A, E)
t(x) = (4 * x) - 2
g = Segment(A, (0.3, y(A)))
F: (0.3, y(A))
zoom: 2.3966 / (x(Corner[3]) - x(Corner[1]))
Text3: "Zoome mit dem Mausrad.
Zoom: " + zoom + " x"