Timlevin
Joined 2 August 2006
Latest comment: 10 years ago by Timlevin in topic Welcome
Welcome edit
It's embarrassing that nobody has welcomed you to Wikipedia and you have been using this account for years. Please feel free to contact me if you ever need assistance.
Regarding your question on partial function, it is answered by the image captions: the second diagram shows a total function. — Carl (CBM · talk) 22:18, 3 May 2010 (UTC)