Evaluate the integral = f ds S when f(x, y, z) = 2 + 3cy and S is the portion of the plane c + 2y+ 28 =above the unit disk in the ry-plane. 1. I = -TT 17 2. 1 = 32 15 3. I = 32 7 4. 1 = 16 5. 1 = 16