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Thread: Would anyone be kind enough to help me with my math homework?

  1. #1
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    Would anyone be kind enough to help me with my math homework?

    Would anyone care to explain steps to these rational equations. (Please include the answers)

    1) http://i43.tinypic.com/6z8xnl.jpg

    2) http://i42.tinypic.com/14y02za.jpg

    I would really like to know how to do these. I know it is alot of steps.
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  2. #2
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    You state that these are equations, but I don't see equal signs on either pic. Or did you need to simplify the rational expressions?


    01
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  3. #3
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    I'm pretty sure it's just finding the domain.

    1.
    $\displaystyle 10/x+2$
    $\displaystyle x\neq -2$
    $\displaystyle ( -\infty, -2) \bigcup (-2, \infty)$




    $\displaystyle 9/x^2-4$
    $\displaystyle x\neq 2, x\neq -2$
    $\displaystyle (- \infty, -2) \bigcup (-2,2) \bigcup (2, \infty)$

    2.
    $\displaystyle x+3/x^2-9 - 5$
    $\displaystyle x\neq 3, x\neq -3$
    $\displaystyle (- \infty, -3) \bigcup (-3,3) \bigcup (3, \infty)$




    $\displaystyle 6/x-3$
    $\displaystyle x\neq 3$
    $\displaystyle (- \infty, 3) \bigcup (3, \infty)$
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