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    Concave Up

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    On what interval does the function f(x) = -x^3 + 3x^2 + 24x + 5 concave up?

    keywords: concave-up

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    On what interval does the function f(x) = -x3 + 3x2 + 24x ...

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    The interval on which a function is concave up is found. The response received a rating of "5/5" from the student who originally posted the question.