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math456

  • 3 years ago

Need help..

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  1. math456
    • 3 years ago
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  2. math456
    • 3 years ago
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    For part a is it? |dw:1347737932933:dw|

  3. math456
    • 3 years ago
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    @Hero

  4. Hero
    • 3 years ago
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    I have no clue what \(signum\) is

  5. Hero
    • 3 years ago
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    But graphing it doesn't seem difficult

  6. math456
    • 3 years ago
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    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.

  7. Hero
    • 3 years ago
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    I think that maybe they mean this: |dw:1347738110746:dw|

  8. Hero
    • 3 years ago
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    |dw:1347738183297:dw|

  9. math456
    • 3 years ago
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    |dw:1347738213571:dw|

  10. math456
    • 3 years ago
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    yea got it..

  11. Hero
    • 3 years ago
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    Yes, yours is more precise.

  12. Hero
    • 3 years ago
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    Good job

  13. math456
    • 3 years ago
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    thanks.

  14. Hero
    • 3 years ago
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    What exactly are you stuyding? I've never seen sgn function before.

  15. math456
    • 3 years ago
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    Its part of Calculus..

  16. Hero
    • 3 years ago
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    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.

  17. Hero
    • 3 years ago
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    It's possible that it was maybe addressed in the calc book but our teacher never went over it.

  18. math456
    • 3 years ago
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    yea I understand its okay, i will try to figure this one out

  19. math456
    • 3 years ago
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    basically the main focus is on limits

  20. Hero
    • 3 years ago
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    I think you should include a line in-between to represent x = 0

  21. Hero
    • 3 years ago
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    |dw:1347738443330:dw|

  22. math456
    • 3 years ago
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    hmmm to represent x=0

  23. Hero
    • 3 years ago
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    Yeah, I just drew it for you

  24. math456
    • 3 years ago
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    alright thank you, i will ask my prof to help me with this one!

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