a(ε)

2+ε

2-ε

1

1/\varepsilon

I(1)

ε = 0.3 (slider from 0 to 0.5, step 0.1)
f(x) = sqrt(x) + 1
C = Point({0, 2 + ε})
B = Point({0, 2 - ε})
b = OrthogonalLine(C, yAxis)
c = OrthogonalLine(B, yAxis)
F = Point(xAxis)
h = Segment(C, B)
A = Intersect(f, b, (1.6407742548483863E8, 1))
d = OrthogonalLine(A, xAxis)
E = Point(xAxis)
D = Intersect(f, a, (1, 2))
e = OrthogonalLine(D, xAxis)
G = Intersect(e, xAxis)
g = Segment(D, G)
H = Intersect(f, c, (0.48999999999999994, 1.7))
I = Intersect(f, b, (1.6899999999999993, 2.3))
i = OrthogonalLine(H, c)
j = OrthogonalLine(I, xAxis)
J = Intersect(i, xAxis)
K = Intersect(j, xAxis)
k = Segment(H, J)
l = Segment(I, K)
m = Segment(J, K)