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Math Help - Slope of the tangent line at (2,5)

  1. #1
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    Exclamation Slope of the tangent line at (2,5)

    Find the slope of the tangent line at (2,5)
    f(x) = x2+1

    Please use this formula:
    http://i45.tinypic.com/33nvod2.png

    Thank you for the help in advance!
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  2. #2
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    Re: Slope of the tangent line at (2,5)

    Well you are given the formula, why not use it?
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  3. #3
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    Re: Slope of the tangent line at (2,5)

    I have tried using the formula and keep getting the wrong answer; otherwise I obviously wouldn't have posted a question on here..
    Last edited by michellederz; February 2nd 2013 at 05:11 PM.
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    Re: Slope of the tangent line at (2,5)

    Slope of the tangent line at (2,5)-tangent.png
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  5. #5
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    Re: Slope of the tangent line at (2,5)

    Thank you, I figured out what I did wrong. I made a simple error when multiplying numbers together.
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