How Do You Calculate a One-Sided Limit?

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SUMMARY

The discussion centers on calculating a one-sided limit as x approaches 3 from the right. The user identifies that the numerator approaches the constant value of 3, while the denominator approaches a value close to zero. This results in the limit tending towards positive infinity, as dividing a constant by increasingly smaller positive values yields larger results. The question specifically asks for the right-hand limit to highlight the behavior of the function as it approaches the point from one direction.

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I'm having trouble with this question

Find the one sided limit, if it exists

http://i2.photobucket.com/albums/y15/seiferseph/Untitled-2.jpg

I haven't been able to simplify the top or bottom, if someone could get me started, thanks!
 
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As x approaches 3 from the right, the top approaches the constant 3 while the bottom becomes small without value. What happens if you divide 3 by increasingly small values?

Note: Can you explain why the question asks only for the limit from the right?
 

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