code: import numpy as np
  import matplotlib.pyplot as plt
  
  x = np.arange(1, 6)
  
  y = 3 * x + 2
  
  print(x)
  print(y)
  
  # 시각화
  plt.plot(x, y)
  plt.title('y = 3x + 2')
  plt.show()
  
apis: numpy.arange matplotlib.pyplot.plot matplotlib.pyplot.title matplotlib.pyplot.show