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pre-calc

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How do you find the asymptotes in general??

For example... f(x)=(1/2)^x, how would I find that?

  • pre-calc -

    As x-> infinity, each time you multiply (1/2) by itself a larger number of x times, the result gets closer to zero. Zero is therefore the asymptote,

  • pre-calc -

    In most cases, just examine what happens to f(x) as x goes to infinity or -infinity

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