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Thread: Average rate of change

  1. September 16th 2009, 10:35 PM #1
    uberkrissy
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    Average rate of change

    How do you find the average rate of change of f(t)=-16t^2+320t+6 from 1 to x?

    I've used the msec equation, but am afraid I did something wrong. I've gotten to the factoring part but it isn't working out.
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  2. September 17th 2009, 05:13 AM #2
    stapel
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    Talking

    What is "the msec equation"? (I believe this term is specific to your text.)

    When you reply, please show all of your steps so far. Thank you!
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  3. September 20th 2009, 01:01 PM #3
    uberkrissy
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    Sorry about that,

    m_{\text{secant}} =\frac{f(t)-f(c)}{t-c}
    Last edited by mr fantastic; September 20th 2009 at 03:08 PM. Reason: Clarified the expression
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