Question: Find the largest open interval(s) where the function is concave upward. f(x)=x+3x-9x+5 OA. (-1,00) OB. (0, 1) OC. (-1,00), (-00, -1) OD. None
Find the largest open interval(s) where the function is concave upward. f(x)=x+3x-9x+5 OA. (-1,00) OB. (0, 1) OC. (-1,00), (-00, -1) OD. None
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