A_1 = Intersect(xAxis, yAxis)
B = Point(yAxis)
C = Point(xAxis)
f(x) = (0.4 * x^(2)) - (3 * x) + 6
A = Point(f)
a = 0.1 (slider from 0.1 to 0.6, step 0.01)
b: y = (a * x) - 3.22 - a
c = Line(A, b)
F = Point(c)
g(x) = ((-0.09) * x) + 1.53
D = Point(g)
E = Intersect(g, c, 1)
α = Angle(D, E, F)