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    Functions : Concave Up and Concave Down

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    6. (6--9) Determine the intervals on which the function is concave up and intervals on which the function is concave down. Check your answers by graphing the corresponding functions.
    .
    7. .
    8. restricted to .
    9.

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    https://brainmass.com/math/graphs-and-functions/functions-concave-up-and-concave-down-151864

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    Concave-up and concave-down functions are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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