Expressão 15: "x" equals negative "y" minus 1 half left brace, 1.1 5 greater than "x" greater than negative .5 , right bracex=−y−121.15>x>−.5
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Expressão 16: "x" equals negative "y" left brace, 1.3 2 greater than "x" greater than negative 0 , right bracex=−y1.32>x>−0
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Expressão 17: "x" equals negative "y" plus .5 left brace, 1.5 greater than "x" greater than .5 , right bracex=−y+.51.5>x>.5
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Expressão 18: "x" equals negative "y" plus 1 left brace, 1.6 7 greater than "x" greater than 1 , right bracex=−y+11.67>x>1
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Expressão 19: "x" equals negative "y" plus 1.5 left brace, 1.8 3 greater than "x" greater than 1.5 , right bracex=−y+1.51.83>x>1.5
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Expressão 20: "x" equals negative "y" minus 1.5 left brace, 0.8 3 greater than "x" greater than negative 1.5 , right bracex=−y−1.50.83>x>−1.5
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Expressão 21: "x" equals negative "y" minus 2 left brace, .6 7 greater than "x" greater than negative 2 , right bracex=−y−2.67>x>−2
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Expressão 22: "x" equals negative "y" minus 2.5 left brace, .5 greater than "x" greater than negative 1.5 , right bracex=−y−2.5.5>x>−1.5
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Expressão 23: "x" equals negative "y" minus 3 left brace, .3 2 greater than "x" greater than negative 1 , right bracex=−y−3.32>x>−1
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Expressão 24: "x" equals negative "y" minus 3.5 left brace, .1 5 greater than "x" greater than negative .4 6 , right bracex=−y−3.5.15>x>−.46
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Expressão 25: left parenthesis, "x" , right parenthesis squared plus left parenthesis, "y" minus 1.3 , right parenthesis squared less than 5x2+y−1.32<5
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Expressão 26: left parenthesis, "x" , right parenthesis squared plus left parenthesis, "y" minus 4.5 , right parenthesis squared less than 2x2+y−4.52<2
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Expressão 27: "y" equals 0 left brace, 2 greater than "x" greater than negative 2 , right bracey=02>x>−2
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Expressão 28: "x" squared plus left parenthesis, "y" minus 6.2 , right parenthesis squared less than .1x2+y−6.22<.1
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Expressão 29: "y" equals 4 "x" plus 6.5 left brace, 7 greater than "y" greater than 6.5 , right bracey=4x+6.57>y>6.5
