def construct(self):
    self.setup_axes()
    self.remove(self.y_axis_label_mob, self.x_axis_label_mob)
    self.add_derivative_definition(self.y_axis_label_mob)
    self.add_graph()
    self.draw_axes()
    self.show_tangent_line()
def construct(self):
    self.setup_axes()
    self.remove(self.y_axis_label_mob, self.x_axis_label_mob)
    self.add_derivative_definition(self.y_axis_label_mob)
    self.add_graph()
    self.draw_axes()
    self.show_tangent_line()