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moongazer Group TitleBest ResponseYou've already chosen the best response.0
and what do you call those?
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
a or b (inclusive)\[a\vee b\] a and b \[a\wedge b\]
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
dw:1348403720368:dw
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
dw:1348403767690:dw
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
dw:1348403820405:dw
 2 years ago

moongazer Group TitleBest ResponseYou've already chosen the best response.0
what do you call those "and" "or"
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
Conjunction \wedge \(\wedge\) Disjunction \vee \(\vee\)
 2 years ago

moongazer Group TitleBest ResponseYou've already chosen the best response.0
thanks, can you help in finding a domain of a function?
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
Negation \neg \(\neg\) dw:1348404218012:dw \[\neg C\]
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
what is your function?
 2 years ago

moongazer Group TitleBest ResponseYou've already chosen the best response.0
dw:1348405394804:dw
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
factorise the numerator and denominator
 2 years ago

moongazer Group TitleBest ResponseYou've already chosen the best response.0
btw, "or" is like the union of the set and "and" is like the intersection of a set. Is that correct?
 2 years ago

moongazer Group TitleBest ResponseYou've already chosen the best response.0
dw:1348405630353:dw
 2 years ago

moongazer Group TitleBest ResponseYou've already chosen the best response.0
@UnkleRhaukus
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
"or" is like union "and" is like intersection kinda but they are used for slightly different things, i think the logic symbols are used for points, where as the set symbols are used for sets of points
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
what is the only number that dosent make sense in a denominator ? , what are two point values for x that would make your function undefined ?, exclude these from your domain
 2 years ago

moongazer Group TitleBest ResponseYou've already chosen the best response.0
{xx>2 and x>3 and x>=5 and x>=4} is this correct?
 2 years ago

moongazer Group TitleBest ResponseYou've already chosen the best response.0
@UnkleRhaukus
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
i get \[\{x((x≠2)\wedge (x≠3))\}\]
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
hmm im not right though
 2 years ago

moongazer Group TitleBest ResponseYou've already chosen the best response.0
The answer in my notebook says: dom K: {xx<2 or 3<x<=4 or x>=5} I only copied that from my classmate because I was absent when my teacher discussed this. so I don't know how they got that
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
there is a strange discontinuity where 4<x<5
 2 years ago

moongazer Group TitleBest ResponseYou've already chosen the best response.0
my notes also says that "use the number line to graph the values for which the function is defined.
 2 years ago

moongazer Group TitleBest ResponseYou've already chosen the best response.0
that is for finding the domain.
 2 years ago

moongazer Group TitleBest ResponseYou've already chosen the best response.0
@UnkleRhaukus
 2 years ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.5
well x is defined from ∞ to 2 , at 2 this is a discontinuity, the from 2 to 4 defined, then discontinuity from 4 to 5 then defined again from 5 to ∞
 2 years ago
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