Question 2 cy (202 - y2 ) if ( x, y) * (0, 0 ) Let f(x, y) = x2 +y2 if ( x, y) = (0, 0). (1) Compute fx and fy for (x, y) # (0, 0). (2) Use the definition of partial derivatives, compute fx(0, 0) and f. (0, 0). (3) Does f have continuous partial derivatives