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swin2013

  • 3 years ago

f(x) = 8 + 2x - x^2

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  1. swin2013
    • 3 years ago
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    intervals where f(x) is concave up and intervals where f(x) is concave down?

  2. swin2013
    • 3 years ago
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    f''(x) = -2

  3. yrelhan4
    • 3 years ago
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    If f '' (x)>0, then the function is concave up. If f ''(x)<0, then the function is concave down. so its concave down from (-infinity, infinity)

  4. swin2013
    • 3 years ago
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    ohhh oook!!!! thanks!

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