Results 1 to 2 of 2

Thread: differentiating log functions

  1. October 19th 2009, 03:07 PM #1
    hazecraze
    hazecraze is offline
    Member
    Joined
    Oct 2009
    Posts
    79

    differentiating log functions

    1. f(x) = log2(5 - 2x)

    loga(x)= 1/x(lna)

    x=(5 - 2x)
    a=2


    =
    (-2)
    =


    help?
    Follow Math Help Forum on Facebook and Google+
  2. October 19th 2009, 04:15 PM #2
    adkinsjr
    adkinsjr is offline
    Super Member
    Joined
    Jun 2009
    From
    United States
    Posts
    626
    Quote Originally Posted by hazecraze View Post
    1. f(x) = log2(5 - 2x)

    loga(x)= 1/x(lna)

    x=(5 - 2x)
    a=2


    =
    (-2)
    =


    help?
    It should look like this \frac{-2}{(5-2x)(ln(2))}

    You have to put the 5-2x in parentheses
    Follow Math Help Forum on Facebook and Google+
« evaluating the integral | Find the Equation of the Tangent Line to... »

Similar Math Help Forum Discussions

  1. Differentiating some functions.
    Posted in the Calculus Forum
    Replies: 1
    Last Post: October 17th 2011, 04:07 AM
  2. Differentiating Trig functions
    Posted in the Calculus Forum
    Replies: 6
    Last Post: March 30th 2011, 07:33 AM
  3. Differentiating sin functions
    Posted in the Calculus Forum
    Replies: 6
    Last Post: March 27th 2011, 04:16 PM
  4. Differentiating Inverse Functions
    Posted in the Calculus Forum
    Replies: 7
    Last Post: March 22nd 2011, 12:47 AM
  5. differentiating 3 functions
    Posted in the Differential Equations Forum
    Replies: 3
    Last Post: April 15th 2009, 03:12 PM

Search Tags


/mathhelpforum @mathhelpforum