Results 1 to 2 of 2

Math Help - 1-1 and find inverse check

  1. #1
    Junior Member
    Joined
    Mar 2007
    Posts
    62

    1-1 and find inverse check

    I say yes 1-1 passes the horizontal line test

    f(x)= (5) / (3x+7)
    Attached Thumbnails Attached Thumbnails 1-1 and find inverse check-img_0492.jpg  
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor Mathstud28's Avatar
    Joined
    Mar 2008
    From
    Pennsylvania
    Posts
    3,641
    Quote Originally Posted by rj2001 View Post
    I say yes 1-1 passes the horizontal line test

    f(x)= (5) / (3x+7)
    Yes note that f(x)=\frac{5}{3x+7} is monotonically decreasing over the reals except at its points of discontinuity so it wont "repeat" itself in terms of values. So it is one-to-one on that interval. Now the inverse would be \frac{5-7y}{3y}=f^{-1}(y)
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Inverse Laplace Check
    Posted in the Differential Equations Forum
    Replies: 5
    Last Post: September 3rd 2009, 12:54 PM
  2. New Inverse Variation (check this please)
    Posted in the Algebra Forum
    Replies: 1
    Last Post: August 12th 2009, 06:42 AM
  3. Inverse variation problem (please check)
    Posted in the Algebra Forum
    Replies: 1
    Last Post: August 12th 2009, 03:51 AM
  4. Please check this Inverse Problem
    Posted in the Calculus Forum
    Replies: 2
    Last Post: September 13th 2007, 12:02 PM
  5. Another inverse sine integral check
    Posted in the Calculus Forum
    Replies: 2
    Last Post: February 27th 2006, 04:06 PM

Search Tags


/mathhelpforum @mathhelpforum