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Math Help - I want check my answer

  1. #1
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    I want check my answer

    I want check my answer

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  2. #2
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    Translated ...

    If you quote this response, you'll see how I translated the equations above into notation that's easier to read on this board. Here's your question:

    Let g(s) = -7s^2 + 4s + 13.

    Find \frac{g(z + h) - g(z)}{h}

    This is what I found:

    -14z - 7h + 4

    Now, I'm not sure if that's a 'z' or a '2' in your question, so just in case, here's what I got for \frac{g(2 + h) - g(2)}{h}:

    -7 h - 24
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  3. #3
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    g(s) = -7s^2+4s+13

    g(2+h) = -7(2+h)^2 + 4(2+h) + 13 = -7(4 + 4h + h^2) + 4(2+h) + 13 = -7h^2 -24h -7

    g(2) = -7(4) + 4(2) + 13 = -7


    \frac{g(2+h) - g(2)}{h} = \frac{-7h^2 - 24h}{h} = \frac{h(-7h - 24)}{h} = -7h - 24
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  4. #4
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    thanks
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