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OpenStudy (anonymous):
Find the limit of the function algebraically. lim x->2 x^2 - 4 ------- x - 2
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OpenStudy (xapproachesinfinity):
just factor the top to (x-2)(x+2) then cancel (x-2) from top and bottom you get \[\lim_{x \rightarrow 2}x+2\]
OpenStudy (xapproachesinfinity):
now it is easy!
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