Posted by Nate on Friday, November 30, 2012 at 6:26pm.
step 1 in any limit question is to actually substitute the approach value into your expression.
If you get a real number, that is your answer, you are done!
lim (2x^2 + 1)/(x^2 + 6x - 4) as x --> 2
= 9/12
= 3/4
Voila!!! all done.
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