-640

640

151,5

O = (0, 0)
A = Point(xAxis)
B = Point(xAxis)
a = OrthogonalLine(B, xAxis)
b = OrthogonalLine(A, xAxis)
C = Point(yAxis)
c = OrthogonalLine(C, yAxis)
P1 = Intersect(a, c)
P2 = Intersect(b, c)
f(x) = 1.0 / 16.0 * x^(2.0)
d = Segment(P1, P2)