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Math Help - Instantaneous rate of change

  1. #1
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    Instantaneous rate of change

    Find the instantaneous rate of change at 3
    f(x) = 3x+5

    Thank you.
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  2. #2
    Senior Member
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    Quote Originally Posted by beachbunny619 View Post
    Find the instantaneous rate of change at 3
    f(x) = 3x+5

    Thank you.
     f'(x) = 2*3*x^1 + 0 = 6x

    f'(3) = 18
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