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wen_21 Group Title

find the function f(x)= x+(1/x), g(x)=x+14/x+2 (fog)(x)= (gof)(x)= (fof)(x)= (gog)(x)=

  • one year ago
  • one year ago

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  1. RyanL. Group Title
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    what does "fog" mean?

    • one year ago
  2. abb0t Group Title
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    f(x) composed of g(x).

    • one year ago
  3. RyanL. Group Title
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    right that means f(g(x))

    • one year ago
  4. RyanL. Group Title
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    That means that for all the "x" f(x) we replace with g(x) but we know that g(x)= x+14/x+2 so we replace with that instead.

    • one year ago
  5. abb0t Group Title
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    ohhhhh. i get it now!!

    • one year ago
  6. wen_21 Group Title
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    \[so \frac{ x+14 }{ x+2 } + \frac{ 1 }{ x+14/x+2} ?\]

    • one year ago
  7. RyanL. Group Title
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    yeah that's basically it. You can simplify it and rewrite it if your teacher told you to.

    • one year ago
  8. RyanL. Group Title
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    (gof)(x) is the other way around. That means that for all the "x" g(x) we replace with f(x)

    • one year ago
  9. wen_21 Group Title
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    could you give me a hand with simplifying the g(f(x))

    • one year ago
  10. RyanL. Group Title
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    I don't think we can simplify it even further. :/

    • one year ago
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