Ary 1. The limit does not exist. Find lim if it exists. (z,y) +(0,0) x2 + 18' O 2. 2 x 3. 0 0 4. 4 0 5. 8Determine the set of points at which the 1. { ( x, y) |2 20 function F(x, y) = arctan (4x + 7vy - 5 O 2. (x, y)ly25 is continuous. 3. (x, y) |x 20,42 0 4. { (x, y) ly 2 0) 5. { (x, y) ly 2 5, Ar + 7Vy -5 51Determine the set of points at which the . 1. { (x, y, 2) |4. + 2y + 62 # 0 function f(x, y, z) = V4x + 2y + 62 2 { (x, y, z ) |4 + 2y + 62 20 is continuous 3. (x, y, z) |xyz 20 . 4. { (x, y, 2) | x 20,y 20, 2 20 5. { (x, y, 2 ) |4x + 2y +62 > 0Find the maximum slope on the graph of HI. I!) = 2 5111133!) at the point P(0, 3)