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Thread: Did I get the correct critical numbers?

  1. January 10th 2010, 03:12 PM #1
    thatonegurl
    thatonegurl is offline
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    Did I get the correct critical numbers?

    I need help finding critical numbers of this function: -8x^3+24x
    The first derivative is -24x^2+24

    I got -1 and 1 for my only critical numbers.
    Is this right?
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  2. January 10th 2010, 03:16 PM #2
    tom@ballooncalculus
    tom@ballooncalculus is offline
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    yep
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