Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Yahoo! Group Title

if f(x) = { 2+x , x>=0 2-x , x<0 Find f(f(x)) ?

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    @helder_edwin @hartnn @sami-21 @experimentX

    • 2 years ago
  2. experimentX Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    f(x) = |x|+2 f(f(x)) = ||x|+2| + |x| + 2

    • 2 years ago
  3. helder_edwin Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    i agree \[ f(x)=|x|+2 \] but \[ \large f(f(x))=f(|x|+2)=||x|+2|+2 \]

    • 2 years ago
  4. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    i did nt get u guys....

    • 2 years ago
  5. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    f(f(x)) = fof (x)

    • 2 years ago
  6. helder_edwin Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    yes. that's what i did.

    • 2 years ago
  7. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Can u expl these Stuffs

    • 2 years ago
  8. helder_edwin Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    first \[ \large f(x)=|x|+2 \] do u agree?

    • 2 years ago
  9. helder_edwin Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    well anyway. the x in f(x) is the argument of the function. the letter itself has no meaning, but when u replace it with something u have to do the same in the RHS.

    • 2 years ago
  10. helder_edwin Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1352898658928:dw|

    • 2 years ago
  11. helder_edwin Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1352898684609:dw|

    • 2 years ago
  12. helder_edwin Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1352898707610:dw|

    • 2 years ago
  13. experimentX Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    woops ... sorry!! should have paid attention!!

    • 2 years ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.