g(x) = 0.1 (x - 4.696666666666668)² (x - 7.5966666666666685)³ (x - 9.166666666666671) - 2.72
h(x) = -0.05 (-(x - 16.08888888888888) - 1.47)² (-(x - 16.08888888888888) - 4.37)³ (-(x - 16.08888888888888) - 6.47) + 4.01111111111111
k(x) = 0.2 (x - 15.18655864197531) (x - 17.18655864197531)³ (x - 19.18655864197531) (x - 20.18655864197531) + 0.6488580246913586
A, B, C = Extremum(g)
m(x) = 0.002 x² (x - 3) (x + 3) (x + 5.5) (x - 5.5) + 2
V, W, Y, Z, A_1 = Extremum(m)
D = Point(h)
E = Point(h)
F, G, H = Extremum(h)
I, J, K = Extremum(k)
f = Function(m, 0, x(A))
f_1 = Function(g, x(A), x(D))
g_1 = Function(h, x(D), x(E))
h_1 = Function(k, x(E), 20.25)
L, M, N, O = TurningPoint(m)
P, Q, R, S = TurningPoint(g)
T, U, B_1, C_1 = TurningPoint(h)
D_1, E_1, F_1, G_1 = TurningPoint(k)
H_1 = Point(f)
I_1 = Point(f_1)
K_1 = Point(f_1)
L_1 = Point(g_1)
M_1 = Point(f)
N_1 = Point(g_1)
O_1 = Point(h_1)
P_1 = Point(h_1)
Q_1 = Point(h_1)
R_1 = Point(h_1)
S_1 = Point(g_1)
J_1 = Point(h_1)
T_1 = Point(h_1)