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y K -1.5 -1 -0.5 0 0.5 1 1.5 1.5 1 050051 1.532 6 A 2 0 Z -2 .4 -6 -8 Identify the equation of the surface. Of (x, y) = y + 2 Of (x, y ) = a ty Of ( x, y) = xy Of (x, y) = yxConsider the graph below Which of the following shows traces for x=1, x=0, and x=2 6