Expression 12: "x" equals 5.5 left brace, 2 less than "y" less than 6 , right bracex=5.52<y<6
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Expression 13: "x" equals negative 5.5 left brace, 2 less than "y" less than 6 , right bracex=−5.52<y<6
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Expression 14: "x" squared plus left parenthesis, "y" minus 8 , right parenthesis squared equals 20 left brace, 8 less than "y" less than 15 , right bracex2+y−82=208<y<15
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Expression 15: "x" squared plus left parenthesis, "y" minus 12.5 , right parenthesis squared equals 1 left brace, 12.4 less than "y" less than 16 , right bracex2+y−12.52=112.4<y<16
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Expression 16: "x" equals 0.3 left brace, 12.9 5 4 less than "y" less than 17 , right bracex=0.312.954<y<17
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Expression 17: "x" equals negative 0.3 left brace, 12.9 5 4 less than "y" less than 17 , right bracex=−0.312.954<y<17
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Expression 18: "x" squared plus left parenthesis, "y" minus 17.5 , right parenthesis squared equals 0.4x2+y−17.52=0.4
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Expression 19: "y" equals 0.5 left brace, negative 2.4 less than "x" less than 2.5 , right bracey=0.5−2.4<x<2.5
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Expression 20: "y" equals negative 2.5 left brace, negative 2.5 less than "x" less than 2.5 , right bracey=−2.5−2.5<x<2.5
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Expression 21: left parenthesis, "x" minus 2.5 , right parenthesis squared plus left parenthesis, "y" plus 1.0 1 , right parenthesis squared equals 2.3 left brace, 2.5 less than "x" less than 4 , right bracex−2.52+y+1.012=2.32.5<x<4
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Expression 22: left parenthesis, "x" plus 2.5 , right parenthesis squared plus left parenthesis, "y" plus 1.0 1 , right parenthesis squared equals 2.3 left brace, negative 4 less than "x" less than negative 2.5 , right bracex+2.52+y+1.012=2.3−4<x<−2.5
