f(x) = log(x)
A = Point(f)
A' = Mirror(A, a)
lugar1 = Locus(A', A)
e = 2.718281828459045
g(x) = e^(x)
h(x) = e^(2.0 * x)
p(x) = e^(3.0 * x)
b = 1 (slider from -10 to 10, step 0.1)
q(x) = e^(b * x)
B = Point(h)
B' = Mirror(B, a)
lugar2 = Locus(B', B)