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Yahoo!

  • 3 years ago

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

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  1. Yahoo!
    • 3 years ago
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    @helder_edwin @hartnn @sami-21 @experimentX

  2. experimentX
    • 3 years ago
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    f(x) = |x|+2 f(f(x)) = ||x|+2| + |x| + 2

  3. helder_edwin
    • 3 years ago
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    i agree \[ f(x)=|x|+2 \] but \[ \large f(f(x))=f(|x|+2)=||x|+2|+2 \]

  4. Yahoo!
    • 3 years ago
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    i did nt get u guys....

  5. Yahoo!
    • 3 years ago
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    f(f(x)) = fof (x)

  6. helder_edwin
    • 3 years ago
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    yes. that's what i did.

  7. Yahoo!
    • 3 years ago
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    Can u expl these Stuffs

  8. helder_edwin
    • 3 years ago
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    first \[ \large f(x)=|x|+2 \] do u agree?

  9. helder_edwin
    • 3 years ago
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    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.

  10. helder_edwin
    • 3 years ago
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    |dw:1352898658928:dw|

  11. helder_edwin
    • 3 years ago
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    |dw:1352898684609:dw|

  12. helder_edwin
    • 3 years ago
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    |dw:1352898707610:dw|

  13. experimentX
    • 3 years ago
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    woops ... sorry!! should have paid attention!!

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