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Determine where the given function is concave up and where it is concave down. f(x) = x - 16x +68 Concave up on (8,

Determine where the given function is concave up and where it is concave down. f(x) = x - 16x +68 Concave up on (8, ), concave down on (-0, 8) Concave up on (-0, 8), concave down on (8, ) Concave up for all x Concave down for all x

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