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domain is of a function
Posted by schpank [Email] (more from schpank) on Mon, 25 Feb 2002 15:23:34
In Reply to: tricky math question, rob [Profile/Gallery]
, Fri, 22 Feb 2002 16:07:14
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Well, rob, I think the problem may be incomplete as stated. Or there may be a typo. Or it may be a bad question entirely. I think -- and this comes from my embarrassing 83 credit hours of college / gradschool math -- that to speak of a "domain" requires a function, or some sort of a mapping, and what you have here is a statement of inequality, not a mapping. Another answer for the domain is "all complex numbers" OR "all fruits and vegetables" since pondering that set also makes 0<=4. And lastly, one way a teacher can eliminate a flawed question, or one simply with a typo, is to give credit to all answers.
cheers,
posted by 12.25.2...
Posts in this Thread:
- tricky math question, rob , Fri, 22 Feb 2002 16:07:14
- domain is of a function, schpank, Mon, 25 Feb 2002 15:23:34 <-- Viewing This Message
- it is pretty straight fwd..., kooch, Sun, 24 Feb 2002 17:14:27
- Re: tricky math question, KSKID, Fri, 22 Feb 2002 18:28:13
- Re: tricky math question, ~ben, Fri, 22 Feb 2002 18:06:00
- That's where the OR comes in., Richard P., Fri, 22 Feb 2002 16:38:17
- Because it is always true regardless (nm), TKC, Fri, 22 Feb 2002 16:23:08
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