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on.vlp

  • 2 years ago

Help me please !!!!! I have f(x) = 6x - x^2 - 6sqrt(a+b) determine: (f(sqrt(a+b) - f(1)) / sqrt(a+b) = ? Thank you for your help

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  1. myininaya
    • 2 years ago
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    \[f(\sqrt{a+b})=6\sqrt{a+b}-(\sqrt{a+b})^2-6\sqrt{a+b} \]

  2. myininaya
    • 2 years ago
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    simplify this

  3. on.vlp
    • 2 years ago
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    \[f(x)=6x-x ^{2}-6\sqrt{a+b} \]

  4. on.vlp
    • 2 years ago
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    but i need to find: \[\frac{ f(\sqrt{a+b})-f(1) }{ \sqrt{a+b}}=?\]

  5. myininaya
    • 2 years ago
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    Yes I'm asking you to find that one thing first.

  6. myininaya
    • 2 years ago
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    Just simplify what I wrote above and we are going to plug that into your expression that you are trying to evaluate

  7. myininaya
    • 2 years ago
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    |dw:1387347305923:dw| This is our main goal to evaluate But right now I'm having you work on the little parts of it first like this circled thing:

  8. myininaya
    • 2 years ago
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    |dw:1387347352551:dw|

  9. myininaya
    • 2 years ago
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    then we will find this other circled thing: |dw:1387347373389:dw|

  10. on.vlp
    • 2 years ago
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    it's clear thank you very much myininaya

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