import matplotlib.pyplot as plt

import numpy as np

# Prvý graf: y = x^2 + 2x + 1 v intervale <-5, 5>

x1 = np.linspace(-5, 5, 400)

y1 = x1 ** 2 + 2 * x1 + 1

plt.figure(figsize=(10, 5))

plt.subplot(1, 2, 1)

plt.plot(x1, y1, label='y = x^2 + 2x + 1', color='blue')

plt.title('Graf funkcie y = x^2 + 2x + 1')

plt.grid(True)

x2 = np.linspace(0, 2 * np.pi, 400)

y2 = np.sin(x2)

plt.subplot(1, 2, 2)

plt.plot(x2, y2, label='y = sin(x)', color='red')

plt.title('Graf funkcie y = sin(x)')

plt.grid(True)

plt.tight_layout()

plt.show()