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Find the Open Intervals on Which the Function y={2x+7,x74x2,x>7y = \left\{ \begin{array} { l } 2 x + 7 , x \leq 7 \\4 - x ^ { 2 } , x > 7\end{array} \right.

question 60

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Find the open intervals on which the function y={2x+7,x74x2,x>7y = \left\{ \begin{array} { l } 2 x + 7 , x \leq 7 \\4 - x ^ { 2 } , x > 7\end{array} \right. is increasing or decreasing.


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