How to differentiate absolute value???????

Discussion in 'General Discussions' started by Phee, Oct 28, 2009.

  1. Phee

    Phee Moderator
    Staff Member

    Joined:
    Aug 18, 2007
    Messages:
    6,206
    Likes Received:
    101
    Wahhhhhhh google isn't helping me.

    How to I find the derivative of f(x) = 4 - |x-2| ????????????????
     
    #1 Phee, Oct 28, 2009
  2. domini212

    domini212 Level III

    Joined:
    Jun 30, 2008
    Messages:
    454
    Likes Received:
    7
    #2 domini212, Oct 28, 2009
  3. Will

    Will Level IV

    Joined:
    Mar 1, 2009
    Messages:
    1,067
    Likes Received:
    53
    Use a calculator

    TI-89 is win for this kind of stuff :D
     
    #3 Will, Oct 28, 2009
  4. Zer0

    Zer0 Level IV

    Joined:
    Mar 2, 2008
    Messages:
    3,037
    Likes Received:
    180
    Location:
    Home sweet home
    Its a piece-wise function

    d/dx |x| = -1 when x<0, 1 when x>0
     
    #4 Zer0, Oct 28, 2009