Partial Derivatives ( functions of several variables ) Find and sketch the domain of the function. q (z, y) = Vz+ V4-423 -82 Answer + { ( z , y ) | 2 3 + - 87 0 } in ) 9 ( 2 , 3 ) = In (2- x) 1 - 22 - 32 Limits and continuity Determine the set of points at which the function is continuous. 43 F ( 2 , y ) = 1+202+ 32 50 1 - 2 2 - 32 cy f(x, y) = a2 + ay + yz if (x, y) # (0, 0) Answer + {(x, y) | 2 +3 #1} if (x, y) = (0, 0)