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March 27, 2015

Homework Help: Calculus Need of Urgent help

Posted by Anonymous on Tuesday, February 8, 2011 at 10:05am.

find the indicated limits, if they exist.

1. lim (3x^3+x^2+1)/(x^3+1)
x-> -infinity
2. find the slope of the tangent line to the graph of the given function at any point:

f(x) = 2x +7

Could anyone please, please, please explain to me how to do these problems? It seems like sometimes I can do the problem and I think I know it but then I get another one wrong. I need to know what I'm messing up on.

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