1. The problem statement, all variables and given/known data Find the limits of the integral of z = f(x,y) over the region bounded by the x-axis, and the semi-circle x2 + y2 = 4, y ≥ 0 2. Relevant equations 3. The attempt at a solution Where do I start on this question? I can't understand what it is asking. IbaIdc Am I supposed to find a,b,c,d limits of the double integrals? If so, can you please point me in the right direction. I am completely lost.