Instructions. Show all your work neatly and in order. Each problem will be graded on the readability and reasoning of your work. Write your answer in exact form (such as , ln 3, 3, etc.) Find the moment of inertia about the x-axis of the lamina occupying the part of the disk D : x 2 y 2 9 in the first quadrant and having density function (x, y) = x