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For part a is it? |dw:1347737932933:dw|
I have no clue what \(signum\) is
But graphing it doesn't seem difficult
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.
I think that maybe they mean this: |dw:1347738110746:dw|
yea got it..
Yes, yours is more precise.
What exactly are you stuyding? I've never seen sgn function before.
Its part of Calculus..
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.
It's possible that it was maybe addressed in the calc book but our teacher never went over it.
yea I understand its okay, i will try to figure this one out
basically the main focus is on limits
I think you should include a line in-between to represent x = 0
hmmm to represent x=0
Yeah, I just drew it for you
alright thank you, i will ask my prof to help me with this one!