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Math Help - Graphing Functions

  1. #1
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    Graphing Functions

    I need help graphing the following function using the first and second derivative tests:
    f(x)=(3x^2) -6x/(x^2) -x -12
    Thanks for your help.
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  2. #2
    Senior Member euclid2's Avatar
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    Quote Originally Posted by nystudent2729 View Post
    I need help graphing the following function using the first and second derivative tests:
    f(x)=(3x^2) -6x/(x^2) -x -12
    Thanks for your help.
     f(x)= 3x^2 - \frac{-6x}{x^2} - x - 12
    First, determine a sign chart for the first derivative,  f'
    Then determine a sign chart for the second derivative,  f"
    Based on that information you will be able to determine the relative max and min or absolute, also where the infliction points are.
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