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OpenStudy (anonymous):
I need help with limits! when it's lim (x ² +5x-6) x-->-4 Do you just plug in (-4) to the equation?
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OpenStudy (unklerhaukus):
try it
OpenStudy (unklerhaukus):
do you get -10
OpenStudy (anonymous):
Wait I lied, it's lim (-x ²+5x-6) x-->-4
OpenStudy (unklerhaukus):
!!!
OpenStudy (anonymous):
I get -42?
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OpenStudy (unklerhaukus):
-42
OpenStudy (unklerhaukus):
You only have trouble with limits when the first time you substitute you get fractions with zeros or infinities
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