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Mathematics 18 Online
OpenStudy (lukecrayonz):

Limits, strange question though? http://screensnapr.com/e/apTjHC.png

OpenStudy (lukecrayonz):

Doing this all based off just a graph, not actually using the equation itself?

OpenStudy (anonymous):

let's do this.. what do you think the answer is for A?

OpenStudy (anonymous):

as x approaches negative 2 from the left, what happens to the y values?

OpenStudy (lukecrayonz):

This sounds way off, negative infinity?

OpenStudy (anonymous):

that's correct. now B...

OpenStudy (lukecrayonz):

Positive infinity

OpenStudy (anonymous):

that's correct. now C...

OpenStudy (anonymous):

if the left limit and right limit don't match, then the limit does not exist.

OpenStudy (anonymous):

u ok?

OpenStudy (lukecrayonz):

Sorry was grabbing a notebook to take notes.

OpenStudy (anonymous):

every answer you get is based on the graph.... no equations.....

OpenStudy (lukecrayonz):

So for c, is it positive & negative infinity?

OpenStudy (lukecrayonz):

since its basically combining A & B?

OpenStudy (anonymous):

no... just the limits does not exist.

OpenStudy (anonymous):

you're right combining A & B.

OpenStudy (lukecrayonz):

So wait, it doesnt exist?

OpenStudy (lukecrayonz):

Oh since its the asymptote, wow, sorry lol, x=/= 2

OpenStudy (anonymous):

correct.

OpenStudy (anonymous):

D next?

OpenStudy (lukecrayonz):

Does not exist?

OpenStudy (anonymous):

sure it does....

OpenStudy (anonymous):

here's the thing with limits...

OpenStudy (lukecrayonz):

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