SOLUTION: How do you find the limit of a rational function?, plus what is a rational function?

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Question 178248: How do you find the limit of a rational function?, plus what is a rational function?
Answer by stanbon(48535) About Me  (Show Source):
You can put this solution on YOUR website!
A rational function is a ratio of functions, like (x+3)/(x^2 + 2x + 5)
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The lim[f(x)/g(x) = [lim(f(x))]/[lim(g(x))] if both exist and lim(g(x)) is not zero.
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Cheers,
Stan H.