y=sqrt(x)

d

d'

f(x) = sqrt(x)
A = Point(f)
O = Point(f)
E = Point(yAxis)
a = Segment(E, A)
F = Point(xAxis)
b = Segment(A, F)
G = Point(yAxis)
H = Point(xAxis)
I = Point(yAxis)
J = Point(xAxis)
M = (2, 1)
g(x) = 1.0 / 2.0 * x + 1.0 / 2.0
B = Point(g)
u = Vector(A, M)
v = Vector(M, B)
h(x) = x^(3.0)
C = (2, 4)
c = Line(C, A)
w = Vector(M, C)