doba jízdy t

průměrná rychlost v

f(x) = 960 / x
A = Point(f)
B = Point(f)
C = Point(f)
D = Point(xAxis)
a = Segment(C, D)
E = Point(yAxis)
b = Segment(C, E)
F = Point(yAxis)
G = Point(f)
c = Segment(F, G)
H = Point(xAxis)
d = Segment(G, H)