The region is : x 2 0, y 20, x2 + 12 s 4. Choose the sketch of the region. O O D 4 -4 . X 4 D X 4 O Oy IN D 2 -2 2 D X 2 Integrate f (x, y) = 10xy over using polar coordinates. (Use symbolic notation and fractions where needed.) / 10xy dA = -20 Incorrect