f(x) = x^(2)
k(x) = x^(2) + 3
l(x) = x^(2) - 3
m(x) = (x + 3)^(2)
n(x) = (x - 3)^(2)
A = Intersect(f, xAxis, 1)
B = Intersect(k, yAxis, 1)
C = Intersect(l, yAxis, 1)
D = Intersect(m, xAxis, 1)
E = Intersect(n, xAxis, 1)
u = Vector(A, B)
v = Vector(A, C)
w = Vector(A, E)
a = Vector(A, D)