anonymous
  • anonymous
if f(x) = { 2+x , x>=0 2-x , x<0 Find f(f(x)) ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@helder_edwin @hartnn @sami-21 @experimentX
experimentX
  • experimentX
f(x) = |x|+2 f(f(x)) = ||x|+2| + |x| + 2
helder_edwin
  • helder_edwin
i agree \[ f(x)=|x|+2 \] but \[ \large f(f(x))=f(|x|+2)=||x|+2|+2 \]

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anonymous
  • anonymous
i did nt get u guys....
anonymous
  • anonymous
f(f(x)) = fof (x)
helder_edwin
  • helder_edwin
yes. that's what i did.
anonymous
  • anonymous
Can u expl these Stuffs
helder_edwin
  • helder_edwin
first \[ \large f(x)=|x|+2 \] do u agree?
helder_edwin
  • helder_edwin
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.
helder_edwin
  • helder_edwin
|dw:1352898658928:dw|
helder_edwin
  • helder_edwin
|dw:1352898684609:dw|
helder_edwin
  • helder_edwin
|dw:1352898707610:dw|
experimentX
  • experimentX
woops ... sorry!! should have paid attention!!

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