Urgent Math

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Let f"(x)=4x^3-2x and let f(x) have critical values -1, 0, and 1. Determine which critical values give a relative maximum. A)-1 B)0 C)1 D)-1 and 1 E) none of these

  • Urgent Math -

    look at f''(x) at -1,0,1
    f"(-1) = -2
    f"(0) = -
    f"(1) = 2


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