Tracer la courbe de exp

Tracer la courbe de ln

A: (0, 1)
B: (1, ℯ^(1))
C: (-1, ℯ^(-1))
D: (2, ℯ^(2))
A': (1, 0)
B': (ℯ, 1)
C': (ℯ^(-1), -1)
D': (ℯ^(2), 2)
a: y = x
f(x) = ℯ^(x)
g(x) = log(x)
b = false
c = false