anonymous
  • anonymous
Need help..
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
anonymous
  • anonymous
For part a is it? |dw:1347737932933:dw|
anonymous
  • anonymous
@Hero

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Hero
  • Hero
I have no clue what \(signum\) is
Hero
  • Hero
But graphing it doesn't seem difficult
anonymous
  • anonymous
In mathematics, the sign function or signum function (from signum, Latin for "sign") is an odd mathematical function that extracts the sign of a real number. In mathematical expressions the sign function is often represented as sgn.
Hero
  • Hero
I think that maybe they mean this: |dw:1347738110746:dw|
Hero
  • Hero
|dw:1347738183297:dw|
anonymous
  • anonymous
|dw:1347738213571:dw|
anonymous
  • anonymous
yea got it..
Hero
  • Hero
Yes, yours is more precise.
Hero
  • Hero
Good job
anonymous
  • anonymous
thanks.
Hero
  • Hero
What exactly are you stuyding? I've never seen sgn function before.
anonymous
  • anonymous
Its part of Calculus..
Hero
  • Hero
Maybe I have seen it before but just don't remember too well. I don't think this is my first time seeing it. Just been a while and I don't think we went over sgn function in any detail at all.
Hero
  • Hero
It's possible that it was maybe addressed in the calc book but our teacher never went over it.
anonymous
  • anonymous
yea I understand its okay, i will try to figure this one out
anonymous
  • anonymous
basically the main focus is on limits
Hero
  • Hero
I think you should include a line in-between to represent x = 0
Hero
  • Hero
|dw:1347738443330:dw|
anonymous
  • anonymous
hmmm to represent x=0
Hero
  • Hero
Yeah, I just drew it for you
anonymous
  • anonymous
alright thank you, i will ask my prof to help me with this one!

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