The function (o " () Find all critical numbhers. (II) Find all intervals on which f is increasing and those on which f is decreasing. (II) Find the (x, y) coordinates of all local maximum and local...

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Extracted text: The function (o " () Find all critical numbhers. (II) Find all intervals on which f is increasing and those on which f is decreasing. (II) Find the (x, y) coordinates of all local maximum and local minimum points.