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March 3, 2015

March 3, 2015

Posted by **Jane** on Monday, October 27, 2008 at 12:39am.

1. Lim x approaches infinity

(x-3/x squared + 4)

2. Lim x approaches 3

x cubed - x squared - 7 x +3/

x squared - 9

3. Lim x approaches negative infinity

(x + square root x squared + 2x)

- calculus (1 of 3) -
**drwls**, Monday, October 27, 2008 at 1:24am1. You need to use more parentheses to clarify the mathematical operation. I will assume you mean

1. Lim x -> infinity

(x-3)/(x^2 + 4)

When x approaches infinity, you can neglect the constant terms, and you get

Lim x -> infinity

(x/x^2) = 1/x

As x-> infinity, that approaches zero.

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