Graphically
If we graph the function near the point, we get:
Does this graph cause you to change your mind? Does it give you a better idea of what is going on?
Converted by
Mathematica
May 12, 2003
![[Graphics:../Images/index_gr_71.gif]](../Images/index_gr_71.gif)
![[Graphics:../Images/index_gr_72.gif]](../Images/index_gr_72.gif)
![[Graphics:../Images/index_gr_73.gif]](../Images/index_gr_73.gif)