File talk:Graph of sliding derivative line.gif

The first point (0,0) appears to be incorrect if the four points indicated are supposed to represent where the gradient function is zero: it should be (0, 1) by my reckoning 86.5.184.113 (talk) 07:52, 10 June 2010 (UTC)anon

I agree. It is definitely incorrect. As each of the given coordinates is an inflection point, the first one listed should be (0,1) RSStockdale (talk) 03:14, 17 October 2010 (UTC)