Finding Limits of Piecewise Functions

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In this video we will find limits of piecewise functions by graphing the function first and without graphing the function at all.

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At 1:00 you stated that you made a typo by not defining the function at exactly 2. Your reasoning was that it needed to be defined there otherwise you wouldn't have a function. This is incorrect.

ajjenga
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Thank you for great video but I did not understand how you got 14 Lim of x going to 4 from left side must be infinite value?

ssjbpepe
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The second piece of the function states "x^2 -2", but you chose to use "x^2 - 4" when evaluating y-values. Please explain your reasoning. (Of course, if you did so error, some of the y-values and some of the limits in the table are incorrect.) Thanks.

barrym