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Mathematics 21 Online
OpenStudy (ny,ny):

On what intervals is y=(x)/(x^2-x) continuous? Do not use a calculator.

OpenStudy (jackthegreatest):

ok the question here is what cannot x =?

OpenStudy (ny,ny):

oh. well we cannot get 0 in the denominator right?

OpenStudy (jackthegreatest):

yep

OpenStudy (jackthegreatest):

so what would make the denominator = 0

OpenStudy (ny,ny):

x=1?

OpenStudy (karim728):

set the bottom equal to 0 and solve for x|dw:1475709697460:dw|

OpenStudy (jackthegreatest):

yep and 0 of course

OpenStudy (ny,ny):

oh yeah, and zero.

OpenStudy (jackthegreatest):

so do you know interval notation?

OpenStudy (ny,ny):

Sort of. Um it has to be a point right? so (0,infinity) ? because parentheses mean open circle I believe

OpenStudy (jackthegreatest):

yep so i guess you understand some what

OpenStudy (ny,ny):

Ok so (-infinity, 0), (0,1), (1,infinity) thank you so much

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