By changing to polar coordinates evaluate the integral 0 1. I = -7 (1 - e-4) 1 = 2e -y dxdy R when R is the region in the xy-plane bounded 0 2. I = 1(1-e-4) by the graph of = V4-32 and the y-axis. 0 3. I = - 7 (1 - e-2) 0 4. I = 27(1 - e-2) 0 5. I = 27 (1 - e-4) 0 6. I = 1(1- e-2)