Results 1 to 3 of 3

Math Help - Reflection

  1. #1
    MHF Contributor
    Joined
    Jul 2008
    From
    NYC
    Posts
    1,489

    Reflection

    On a review sheet, there is a problem that says: A reflection in the x axis of y = f (x) is represented by h (x) = ____________ while a reflection in the y axis of y = f (x) is represented by h (x) = ______________.

    I got confused with h (x). What does h (x) have to do with f (x)?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Newbie scouser's Avatar
    Joined
    May 2009
    From
    We all live in a red and white kop
    Posts
    18
    ummmmmm
    i know this sounds redundant, but h(x) is just the reflection of f(x) in the axes. its just another way of putting it, they could also have noted g(x) or f(x)'. you need to determinez the reflection of f(x). dont get carried away with the way they note it.
    Follow Math Help Forum on Facebook and Google+

  3. #3
    MHF Contributor
    Joined
    Jul 2008
    From
    NYC
    Posts
    1,489

    Do you mean?

    Quote Originally Posted by scouser View Post
    ummmmmm
    i know this sounds redundant, but h(x) is just the reflection of f(x) in the axes. its just another way of putting it, they could also have noted g(x) or f(x)'. you need to determinez the reflection of f(x). dont get carried away with the way they note it.

    Do you mean the following:

    If y = f(x), the reflection about the x-axis is represented as
    y = -h(x) or h(x) = -f(x).

    If y = f(x), the reflection about the y-axis is represented as
    y = h(-x) or h(x) = f(-x).

    Is any of this correct?
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Reflection
    Posted in the Advanced Algebra Forum
    Replies: 0
    Last Post: December 16th 2009, 12:33 PM
  2. reflection in x=1/2
    Posted in the Geometry Forum
    Replies: 6
    Last Post: May 28th 2009, 01:34 PM
  3. law of reflection
    Posted in the Math Topics Forum
    Replies: 1
    Last Post: May 7th 2009, 07:34 PM
  4. reflection
    Posted in the Math Topics Forum
    Replies: 2
    Last Post: April 7th 2009, 08:56 AM
  5. Reflection
    Posted in the Pre-Calculus Forum
    Replies: 2
    Last Post: August 1st 2008, 05:32 AM

Search Tags


/mathhelpforum @mathhelpforum