Limits and Continuity Compute the limits if they exist. If they don't exist show why. xy 1. lim (x,y)-(0,0) *2+y2 2. lim (x,y)-(0,0) *2+14 3x2 y 3. lim (x,y)-(0,0) x2+y2 xy 4. lim (x,y)-(0,0) x2+y/2 x4-4v2 5. lim (x,y)-(0,0) x4+412 lim (xty ) 2 6. (x,y)-(0,0) x2+y2