Posted by Jack on October 03, 2002 at 20:13:51:
In Reply to: Absolute Value Differentiation posted by Mary on October 03, 2002 at 19:56:38:
: Hi,
: How would I go about finding "for which values of X is the absolute value function y = abs x differentiate?" : Please help. Thanks!
:
: I am not sure either. But, if you plot y=abs(x) you get two lines, y=-x and y=+x. y=-x has a derivative over the range -infinity