anonymous
  • anonymous
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Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
hey lugi did you see the link i cant pass this lest i have like 6 ?s like this
Luigi0210
  • Luigi0210
It says error
anonymous
  • anonymous
'okay let me see whats wrong

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anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
hey lugi can you see it now?
Luigi0210
  • Luigi0210
Yes, and it's backwards.. but finding an inverse is easy. Just switch y and x and solve for y
anonymous
  • anonymous
and how would i solve for Y
Luigi0210
  • Luigi0210
Okay so you have y=x-1 Now switch them: x=y-1 Now just solve for y
anonymous
  • anonymous
\[f ^{-1}(y)=x+1\]
Luigi0210
  • Luigi0210
Yup, easy right? :)
anonymous
  • anonymous
ok but do i write it like this because i get the right answer but it tells me that itswrong im i suppose to write differently
Luigi0210
  • Luigi0210
Hm, the way you write it is correct.. did they teach you differently?
anonymous
  • anonymous
idk i got all of them wrongg man
Luigi0210
  • Luigi0210
Oh, I think it might of been asking for just the inverse.. not the solved inverse.. So I think it just might of been x=y-1
Luigi0210
  • Luigi0210
Which is \[f^{-1}(y)=y-1\]
anonymous
  • anonymous
huh so its y-1?
anonymous
  • anonymous
well its say complete the equation for the inverse
Luigi0210
  • Luigi0210
Yea, the question isn't clear to me..
Luigi0210
  • Luigi0210
Well hey, i have to go. Try opening a new question with the same problem and see if anyone else can answer it. Sorry i couldn't help.
anonymous
  • anonymous
wait so ur best guesses are?
Luigi0210
  • Luigi0210
And just an educated guess but #2 might be C
Luigi0210
  • Luigi0210
See you now! @surjithayer might be able to help you from here :)
anonymous
  • anonymous
Let f(x)=y \[or x=f ^{-1}\left( y \right)\]
anonymous
  • anonymous
y=x-1 interchange x and y x=y+1 \[f ^{-1}\left( y \right)=x=y+1\]
anonymous
  • anonymous
thanks
anonymous
  • anonymous
yw

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