Analyzing unbounded limits: rational function | AP Calculus AB | Khan Academy

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Sal analyzes the behavior of f(x)=-1/(x-1)_ around its asymptote at x=1.

AP Calculus AB on Khan Academy: Bill Scott uses Khan Academy to teach AP Calculus at Phillips Academy in Andover, Massachusetts, and heÕs part of the teaching team that helped develop Khan AcademyÕs AP lessons. Phillips Academy was one of the first schools to teach AP nearly 60 years ago.

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I can't believe it took me five minutes to learn something my teacher (in my case, as I'm terrible at interpreting graphs and much prefer this table method) failed to do in forty minutes. Thanks so much!

cora
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what if it's approaching a y value that is undefined?

chelseatoilet
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wait how is it minus when it approaches from right, it will be positive infinity

cornationboot