def get_graph(self, function, num_graph_points = 40, **kwargs):
kwargs["fill_opacity"] = kwargs.get("fill_opacity", 0)
graph = VMobject(**kwargs)
graph.set_points_smoothly([
self.coords_to_point(x, function(x))
for x in np.linspace(self.x_min, self.x_max, num_graph_points)
])
graph.underlying_function = function
return graph
