def simpleplot(f, range=(-5,5,-5,5)):
p = plot(f, (x, range[0], range[1]), plot_points=1000)
p += text("$y = " + latex(f) + "$", (0, range[2] - (range[3] - range[2]) * 0.1), fontsize=30, rgbcolor=(1,0,0))
p.axes_range(range[0], range[1], range[2], range[3])
show(p, figsize=12)
def inverse_functions(f):
y = var('y')
return map(lambda e: e.rhs(), solve(x == f(y), y))
def inverse_function(f):
return inverse_functions(f)[0]
