Problem 9 Find the local maximum and minimum values of the function g x = x+2sinx OSXS2T Problem 10 Find the largest rectangle (that is, the rectangle with largest area) that fits inside the graph of the parabola y = x2 below the line y = a (a is an unspecified constant value), with the top side of the rectangle on the horizontal line y = a; see below. y = 12 y = a T