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    hdj725's Avatar
    hdj725 Posts: 2, Reputation: 1
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    #1

    Aug 22, 2008, 05:25 AM
    Function notation
    if f(x)= X(squared)+2x+5

    Then f(x+h) = ?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Aug 22, 2008, 05:34 AM
    Just plug x+h in for x in your function and simplify.
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    galactus Posts: 2,271, Reputation: 282
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    #3

    Aug 22, 2008, 05:46 AM
    Do you have to go further and find the derivative via the definition?

    That is,
    hdj725's Avatar
    hdj725 Posts: 2, Reputation: 1
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    #4

    Aug 24, 2008, 03:00 PM
    Thanks!
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