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moongazerBest ResponseYou've already chosen the best response.0
and what do you call those?
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.5
a or b (inclusive)\[a\vee b\] a and b \[a\wedge b\]
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.5
dw:1348403720368:dw
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.5
dw:1348403767690:dw
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.5
dw:1348403820405:dw
 one year ago

moongazerBest ResponseYou've already chosen the best response.0
what do you call those "and" "or"
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.5
Conjunction \wedge \(\wedge\) Disjunction \vee \(\vee\)
 one year ago

moongazerBest ResponseYou've already chosen the best response.0
thanks, can you help in finding a domain of a function?
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.5
Negation \neg \(\neg\) dw:1348404218012:dw \[\neg C\]
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.5
what is your function?
 one year ago

moongazerBest ResponseYou've already chosen the best response.0
dw:1348405394804:dw
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.5
factorise the numerator and denominator
 one year ago

moongazerBest 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?
 one year ago

moongazerBest ResponseYou've already chosen the best response.0
dw:1348405630353:dw
 one year ago

UnkleRhaukusBest 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
 one year ago

UnkleRhaukusBest 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
 one year ago

moongazerBest ResponseYou've already chosen the best response.0
{xx>2 and x>3 and x>=5 and x>=4} is this correct?
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.5
i get \[\{x((x≠2)\wedge (x≠3))\}\]
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.5
hmm im not right though
 one year ago

moongazerBest 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
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.5
there is a strange discontinuity where 4<x<5
 one year ago

moongazerBest 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.
 one year ago

moongazerBest ResponseYou've already chosen the best response.0
that is for finding the domain.
 one year ago

UnkleRhaukusBest 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 ∞
 one year ago
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