f(x) = log(x)
A = Point(f)
B = Intersect(xAxis, yAxis)
d = Distance(A, B)
g(x) = sqrt(x^(2) + log(x)^(2))
a = OrthogonalLine(A, xAxis)
C = Intersect(g, a, (0.6542519805659326, 0.7797720830243018))
b = Segment(A, B)