Spurpunkte anzeigen ?

Scheitelpunkt anzeigen ?

a = 0.5 (slider from -5 to 5, step 0.1)
b = -2 (slider from -5 to 5, step 0.1)
f(x) = a * x^(2.0) + b
A, B = Intersect(f, xAxis)
C = Intersect(f, yAxis)
s = true
d = false
f'(x) = f'(x)
D = Intersect(f', xAxis)
S: (x(D), f(x(D)))