T432

a = 2 (slider from -5 to 5)
b = 2.8 (slider from -5 to 5)
c = -3.9 (slider from -5 to 5)
d = -3.9 (slider from -5 to 5)
f(x) = (a * x^(3)) + (b * x^(2)) + (c * x) + d
k = 2.7 (slider from -5 to 5)
g(x) = (a * x^(4)) + (b * x^(3)) + (c * x^(2)) + (d * x) + k