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anonymous

  • 5 years ago

in a rational function, as x approaches + infinity, what does y=? and as x approaches - infinity what does y=?

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  1. anonymous
    • 5 years ago
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    divide each term by the greatest power of x

  2. anonymous
    • 5 years ago
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    what?

  3. anonymous
    • 5 years ago
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    so you have a function like (5x^3 + 3x^2 + 2x +7) / (x^2 +20) you divide each term by the greatest power of x which is x^3 and you get 5/0 = infinity

  4. anonymous
    • 5 years ago
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    i meant if x reaches + infinity does y reach + or - infinity and if x reaches - infinity does y = + or - infinity?

  5. anonymous
    • 5 years ago
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    it depends on the function

  6. anonymous
    • 5 years ago
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    :( dang son!

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