#### Exercise 151 || Solution

By using the matplotlib module, write a python algorithm which draw the curve of function f(x) = x^{2} on the interval [-3 , +3]

#### Exercise 152 || Solution

By using the matplotlib module, write a python algorithm which draw the curve of functions

f(x) = x^{2} and g(x) = 2x +1 on the interval [-3 , +3] and solve the equation x^{2} -2x -1 graphically.