G:\OneDrive - Univerza v Ljubljani\GeoGebra\IR1\OdvodFunkcije

f(x) = x^(3) - (4 * x)
df = Derivative(f(x), x)
xTocke = 1.5 (slider from -5 to 5, step 0.1)
yTocke: f(xTocke)
T: (xTocke, yTocke)
kPrem: df(xTocke)
nPrem: yTocke - (kPrem * xTocke)
Tp: (xTocke + 1, (kPrem * (xTocke + 1)) + nPrem)
g = Line(T, Tp)
a = Slope(g)