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QUESTION
* Differentiate _Y = @ ^All On _what open intervals is the graph of y = 3 cos ( X ) _ X' concave upward ?
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* Differentiate_Y = @ ^AllOn_what open intervals isthe graph of y = 3 cos ( X ) _ X' concaveupward ? Thesknit thethe function to thegraph ofinterval ( 0 , 2TY)