f(x) = x^(2)
A = (4.710655913774148, -5.002729981850954)
Δ: x(A)^(2) - y(A)
a_1: x(A) - sqrt(Δ)
a_2: x(A) + sqrt(Δ)
g(x) = 2 * a_1 * (x - a_1) + a_1^(2)
h(x) = 2 * a_2 * (x - a_2) + a_2^(2)