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Ephilo

help please ? find the critical numbers of f,describe the open intervals on which f is increasing or decreasing locate all relative extrema

  • one year ago
  • one year ago

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  1. Best_Mathematician
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    calculus...? whats the equation

    • one year ago
  2. Ephilo
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    |dw:1363827249708:dw|

    • one year ago
  3. Best_Mathematician
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    critical numbers are when derivative equals zero....right?

    • one year ago
  4. Ephilo
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    @Best_Mathematician yes

    • one year ago
  5. Best_Mathematician
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    so the derivative is |dw:1363827381385:dw|

    • one year ago
  6. Best_Mathematician
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    set it equal to zero and find value of x

    • one year ago
  7. satellite73
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    not to butt in, but you certainly don't need calculus for this it is a quadratic, therefore a parabola the leading coefficient is positive, so it open up the first coordinate of the vertex is \(-4\) so it decrease on \((-\infty, -4)\) and increases on \((-4,\infty)\)

    • one year ago
  8. Lena772
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    @satellite73 is there any relative extrema here?

    • one month ago
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