a = 1 (slider from -5 to 5, step 1)
d = 0 (slider from -5 to 5, step 0.05)
e = 0 (slider from -5 to 5, step 0.05)
f(x) = (a * x^(2))
g(x) = (a * (x + d)^(2)) + e
S = Extremum(g)