Is an implicit function z = f(x,y) defined around the point (x=1, y=2, z=0)? (Please write YES or NO) A/ If your previous answer is negative, please write NA here. Otherwise, дz -(1, 2, 0) = = əx Please write answer with 2 decimal places) A/ If no implicit function is defined, please write NA here. Otherwise, дz ду -(1,2,0) Please write answer with 2 decimal places) =

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A: Topic = Functions

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