Expression 2: StartFraction, "y" Over "x" , EndFraction greater than 0.4 1 4 2 left brace, StartFraction, "x" Over "y" , EndFraction greater than 0.4 1 4 2 , right braceyx>0.4142xy>0.4142
2
Expression 3: StartFraction, "x" Over "y" , EndFraction less than 0.4 1 4 2 left brace, StartFraction, "x" Over "y" , EndFraction greater than negative 0.4 1 4 2 , right bracexy<0.4142xy>−0.4142
3
Expression 4: StartFraction, "x" Over "y" , EndFraction less than negative 0.4 1 4 2 left brace, StartFraction, "y" Over "x" , EndFraction less than negative 0.4 1 4 2 , right bracexy<−0.4142yx<−0.4142