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Mathematics 9 Online
OpenStudy (anonymous):

limit question

OpenStudy (anonymous):

OpenStudy (anonymous):

is it all values except where x=3

OpenStudy (anonymous):

no

OpenStudy (anonymous):

consider also at -3 the function is discontinious

OpenStudy (anonymous):

we're looking at limits they both approach the same point from both sides, thus its a valid limit @Jonask

OpenStudy (anonymous):

what about at -6 they are both approaching +infinty,but it cant all real numbers cos the domain is already given

OpenStudy (anonymous):

lim x->-6 would just be +inf also a valid limit domain is given but range isnt

OpenStudy (anonymous):

sorry about that

OpenStudy (anonymous):

i would say 3 to 4 because limit doesnt exist at 3 and there is not graph between 3 and 4 thus there cant be a limit, unless i misread the graph

OpenStudy (anonymous):

no i misread the graph, you are correct @mm16

OpenStudy (anonymous):

so we have to say \[x \in[-9,4]\] but \[x \neq 3\]

OpenStudy (anonymous):

so it is when x≠3?

OpenStudy (anonymous):

you're being asked when they exists, so all real between -9 to 4 except for 3

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