t

Pendenza della retta AB
           m_s = 0

TEOREMA DI ROLLE

Pendenza della tangente
           m_t = 0

c = 3 (slider from -5 to 5, step 0.5)
f(x) = ((1 - 3) / 8 * x^(4)) + ((3 - 1) / 4 * x^(2)) + 3
g(x) = If[-2 ≤ x ≤ 2, (2 * f(x)) - 1]
A = (-2, 1)
B = (2, 1)
k = -1.2 (slider from -2 to 2, step 0.1)
P: (k, g(k))
t = Tangent(P, g)
C_1: (-1, g(-1))
t_1 = Tangent(C_1, g)
C_3: (1, g(1))
C_2: (0, g(0))
a = Tangent(C_2, g)
b = Line(A, B)
m_t = Slope(t)
testo3: "Pendenza della retta t
         m_t=" + m_t + ""