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Math Help - Need help with more calc problems

  1. #1
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    Need help with more calc problems

    Hi, I have more problems I need help with.

    http://img104.imageshack.us/gal.php?g=85472622.jpg

    that's the link to the four problems so to keep a better format.

    Sorry about the format earlier I fixed it, so check that out if I haven't been helped already! Thanks so much!
    Last edited by jjung411; October 8th 2009 at 11:35 PM.
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  2. #2
    Senior Member apcalculus's Avatar
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    Quote Originally Posted by jjung411 View Post
    Hi, I have more problems I need help with.

    ImageShack -

    that's the link to the four problems so to keep a better format.

    Sorry about the format earlier I fixed it, so check that out if I haven't been helped already! Thanks so much!
    And where are you stuck with these problems?

    Problem 4
    a) The formula for average of f(t) on [a, b] is \frac{f(b)-f(a)}{b-a}

    b) Find the derivative using shortcuts or limits, then plug in.

    c) set s(t)=0 then solve for t. Make sure you only accept positive t values for a solution.

    d) Plug in the value you find in c) to the derivative function you found in b)

    You may benefit more if you show the work you have done so far and explain what you're having problems with, rather than just posting a problem set.

    Good luck!
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