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onegirl

  • 3 years ago

Find all critical numbers and use the Second Derivative Test to determine all local extrema. y = x^3 - 3x^2 - 9x

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  1. klimenkov
    • 3 years ago
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    Can you take a derivative?

  2. onegirl
    • 3 years ago
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    yes i got 3x^2 - 6x - 9

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