import matplotlib.pyplot as plt
import numpy as np
import math

e = math.e
print (e)

dx = 0.1
x = np.arange(-5, 5, dx)

y_2 = 2**x
y_e = e**x
y_3 = 3**x

# y = (e^(x+dx) - e**x) / dx
y_de = (e**(x+dx) - e**x) / dx


# plt.plot(x, y_2)
plt.plot(x, y_e)
# plt.plot(x, y_3)

plt.plot(x, y_de)

plt.show()
