Codigo para graficar en Phyton

1. import math
import matplotlib.pyplot as plt
import numpy as np
x=np.arange(0,10,0.1)
y=2*math.sin(4*x)-x**2+10*x #f(x)=2sin(4x)-x^2+10x
plt.plot(x,y)
plt.show()
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import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 6.0, 100)
y = np.linspace(0, 1.4, 100)
font = {'family' : 'serif',
'color' : 'darkred',
'weight' : 'normal',
'size' : 16,
}
plt.title('Solucion Grafica', fontdict=font)
plt.text(2.0, 0.12, r'$ Edward Stiven Rodirguez 20101005047$',
fontdict=font)
plt.text(2.0, 0.04, r'$ Brayan Ismeth Mora 20101005092$', fontdict=font)
font = {'family' : 'serif',
'color' : 'blue',
'weight' : 'normal',
'size' : 15,
}
plt.text(1, 0.9, r'$ 1-exp(-x)$', fontdict=font)
font = {'family' : 'serif',
'color' : 'green',
'weight' : 'normal',
'size' : 15,
}
plt.text(3, 0.5, r'$ x/5$', fontdict=font)
plt.plot(x, 1-np.exp(-x), x, x / 5)
plt.show()