Results 1 to 4 of 4

Math Help - How to find F PRIME for this problem I'm working on

  1. #1
    Newbie
    Joined
    Jan 2009
    Posts
    21

    How to find F PRIME for this problem I'm working on

    f ' (1) = (3x-4)(5x-6)


    thanks in advance!
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Senior Member mollymcf2009's Avatar
    Joined
    Jan 2009
    From
    Charleston, SC
    Posts
    490
    Awards
    1
    Quote Originally Posted by calcconfused View Post
    f ' (1) = (3x-4)(5x-6)


    thanks in advance!
    You will need to use the product rule.

    f'(x) = fg'+f'g

    =(3x-4)(5)+ (3)(5x-6)

    Then plug in 1 for your x values.
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Newbie
    Joined
    Jan 2009
    Posts
    21
    Quote Originally Posted by mollymcf2009 View Post
    You will need to use the product rule.

    f'(x) = fg'+f'g

    =(3x-4)(5)+ (3)(5x-6)

    Then plug in 1 for your x values.
    thats what i thought it was but apparently the answer is

    30(1) - 38 = -8


    i dk how that is the answer
    Follow Math Help Forum on Facebook and Google+

  4. #4
    Newbie
    Joined
    Jan 2009
    Posts
    21
    nevermind i figured it out THANKS
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Find y prime
    Posted in the Calculus Forum
    Replies: 4
    Last Post: September 10th 2011, 12:38 PM
  2. Replies: 13
    Last Post: December 19th 2010, 04:09 PM
  3. Find derivative. or Y prime.
    Posted in the Calculus Forum
    Replies: 3
    Last Post: March 25th 2010, 08:54 AM
  4. [SOLVED] Quick question on working with cdfs to find pdfs
    Posted in the Advanced Statistics Forum
    Replies: 1
    Last Post: March 14th 2010, 06:09 PM
  5. another problem i am working on
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: December 23rd 2009, 04:22 AM

Search Tags


/mathhelpforum @mathhelpforum