h

f(h)

h

Modifier h

f(x) = abs(x)
h = 1.3 (slider from -3 to 3, step 0.1)
r: (f(h) - f(0)) / h
O = (0, 0)
M: (h, f(h))
C1: (f(h) - f(0)) / h
ord: f(h)
texte2: "\frac{f(h)-f(0)}{h}=" + (LaTeX[r]) + ""
a = OrthogonalLine(M, xAxis)
H = Intersect(a, xAxis)
b = Segment(M, H)
texte1: "f(h)-f(0) = " + (LaTeX[ord]) + ""
texte3: "\frac{f(h)-f(0)}{h} = " + (LaTeX[r]) + ""
A = Midpoint(b)