s(x) = sin(x)
g(x) = 1 / 10 (x - 3)^(2) - 2
h(x) = s(x) + g(x)
f(x) = s(x) g(x)
f1(x) = h(x - 0.5)
S = (3, -2)
A = (8, 0.5)
g1(x) = -g(x)
h1(x) = 0.8 s(x) g(x 0.8)
f2(x) = s(x 0.8) g(x)