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Determining the Limits

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Determine whether f(x) approaches positive infinity or negative infinity as x approaches 4 from the left and from the right.  f(x)=1/(x-4)^2

Sep 10th, 2014

This function has an even integer exponent (2) so f(x) are all positive. For this reason, when x approaches 4 from left AND from the right, f(x) approaches positive infinity. x=4 is the vertical asymptote.

Sep 10th, 2014

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Sep 10th, 2014
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Sep 10th, 2014
Jun 24th, 2017
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