0 votes 0 votes f(x)=|x| Wanted asked Jan 3, 2017 Wanted 237 views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply thor commented Jan 3, 2017 reply Follow Share firstly u need to know the range in which we are talking about it. 0 votes 0 votes Pavan Kumar Munnam commented Jan 3, 2017 reply Follow Share http://math.stackexchange.com/questions/991475/why-is-the-absolute-value-function-not-differentiable-at-x-0 0 votes 0 votes Wanted commented Jan 3, 2017 reply Follow Share every one refer there 0 votes 0 votes Please log in or register to add a comment.