c: y = (1 / 4 * x^(2))
A = Point(c)
f = OrthogonalLine(A, xAxis)
B = Point(f)
g = Ray(A, B)
C = Point(yAxis)
h = OrthogonalLine(C, xAxis)
i = Tangent(A, c)
j = OrthogonalLine(A, i)
A' = Mirror(A, j)
B' = Mirror(B, j)
g' = Ray(A', B')
F = Intersect(h, g')
F' = Mirror(F, i)