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gjhfdfgBest ResponseYou've already chosen the best response.0
I have dw:1361129696765:dw Would it be 4 infinity?
 one year ago

yrelhan4Best ResponseYou've already chosen the best response.0
it should be all real.
 one year ago

zenaiBest ResponseYou've already chosen the best response.1
domain is all real numbers, there's no value that X cannot be.
 one year ago

zenaiBest ResponseYou've already chosen the best response.1
however if it was f(x) = 1/x for example, x could not be zero and thus the domain would be (infinity, 0) (0, infinity)
 one year ago

yrelhan4Best ResponseYou've already chosen the best response.0
(infinity, infinity)
 one year ago

zenaiBest ResponseYou've already chosen the best response.1
if you substitute in any value for X in your function, it will still work. therefore all reals or (infinity, infinity) would work for the domain.
 one year ago

gjhfdfgBest ResponseYou've already chosen the best response.0
Ah, okay got it thanks.!
 one year ago
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