f(x)

f(x)=x^3+4x^2+5x

f'(x)

f''(x)

f(x) = x^(3.0) + 4.0 * x^(2.0) + 5.0 * x
A, B = Extremum(f)
C = TurningPoint(f)
f' = Derivative(f)
D, E = Root(f')
f'' = Derivative(f, 2.0)
F = Root(f'')
a = Segment(D, A)
b = Segment(F, C)
c = Segment(E, B)