Question: Find the intervals where the function is concave upward and downward for the following function. f(x) =3x -x3 Select all the true statements below. Of(x)

Find the intervals where the function is concave upward and downward for the following function. f(x) =3x -x3 Select all the true statements below. Of(x) is concave upward on the interval ( - co,0) f(x) is concave downward on the interval ( - oo,0) Of(x) is concave upward on the interval (0, co) f(x) is concave downward on the interval (0, co)

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