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Mathematics 14 Online
OpenStudy (anonymous):

Find the following limit if it exist. limit as x approaches 6 from positive side of abs(x-6)

OpenStudy (jdoe0001):

\(\Large lim_{x\to 6}\quad |x-6|\to \begin{cases} lim_{x\to 6^+}\quad +(x+6) \\ \quad \\ lim_{x\to 6^-}\quad -(x+6) \end{cases}\)

OpenStudy (jdoe0001):

so test the first case then

OpenStudy (anonymous):

why did you change the sign inside the bracket from (x-6) to (x+6)?

OpenStudy (jdoe0001):

ohh yeas I did.. shootr... typo

OpenStudy (jdoe0001):

\(\Large lim_{x\to 6}\quad |x-6|\to \begin{cases} lim_{x\to 6^+}\quad +(x-6) \\ \quad \\ lim_{x\to 6^-}\quad -(x-6) \end{cases}\)

OpenStudy (anonymous):

could you please solve it...thanks!

OpenStudy (jdoe0001):

well... there isn't much to solve really just make "x" reach the limit you just need to solve the 1st one-sided limits

OpenStudy (anonymous):

okay so if x reaches the limit we get zero from both positive and negative side...right?

OpenStudy (jdoe0001):

hmm nope, we do from one of them, yes, not for both

OpenStudy (jdoe0001):

hmm actually wait a sec... nope, you're correct

OpenStudy (anonymous):

okay. same question lim as x approaches 0 for abs(x)/x

OpenStudy (anonymous):

i am confused because in my original question the answer is zero but in this question the answer is not zero it is +1 and -1 therefore the limit does not exist

OpenStudy (jdoe0001):

hmm... maybe ... .something is missing in the ..... posting

OpenStudy (jdoe0001):

I read \(\Large lim_{x\to 0}\quad |x-6|\)

OpenStudy (anonymous):

actually its a question with multiple parts. I will attach an image from my book.

OpenStudy (jdoe0001):

hmm maybe simpler to post anew with the full material.....thus if I dunno someone else may

OpenStudy (anonymous):

okay..I will post a new question but thanks for your help :)

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