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Determine where the function is concave upward and where it is concave downward. (Enter your answers using interval notation.) f(x) = 3x4 - 30x3

Determine where the function is concave upward and where it is concave downward. (Enter your answers using interval notation.) f(x) = 3x4 - 30x3 + x-9 concave upward DNE concave downward DNE Need Help? Read It Master It

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