e = -3 (slider from -5 to 5, step 1)
f(x) = abs(x + e)
κείμενο1 = LaTeX(f, true, true)
j = 0 (slider from -5 to 5, step 1)
c: y = j
κείμενο2 = LaTeX(c, true, true)
Α = Intersect(f, c, (-1, 0))
Β = Intersect(f, c, (1, 0))
Γ: (-e, 0)
A_1: (x(Α), 0)
Β_1: (x(Β), 0)
a = Segment(Α, A_1)
b = Segment(Β, Β_1)