Expresión 20: "x" equals 4.0 7 left brace, negative 2.5 less than or equal to "y" less than or equal to negative 1.9 1 , right bracex=4.07−2.5≤y≤−1.91
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Expresión 21: "y" equals "x" plus negative 5.6 7 left brace, 3.4 3 less than or equal to "x" less than or equal to 3.8 6 , right bracey=x+−5.673.43≤x≤3.86
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Expresión 22: "x" equals negative 4.1 9 left brace, negative 2.5 less than or equal to "y" less than or equal to negative 1.9 1 , right bracex=−4.19−2.5≤y≤−1.91
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Expresión 23: "y" equals "x" plus negative 5.6 7 left brace, 4.2 6 less than or equal to "x" less than or equal to 4.6 8 , right bracey=x+−5.674.26≤x≤4.68
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Expresión 24: "y" equals negative "x" plus 2.4 5 left brace, 3.4 4 less than or equal to "x" less than or equal to 3.8 5 , right bracey=−x+2.453.44≤x≤3.85
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Expresión 25: "y" equals negative "x" plus 2.4 5 left brace, 4.2 6 less than or equal to "x" less than or equal to 4.6 7 , right bracey=−x+2.454.26≤x≤4.67
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Expresión 26: left parenthesis, "x" plus 4.1 9 , right parenthesis squared plus left parenthesis, "y" plus 1.6 , right parenthesis squared equals 1.3 4 squared left brace, "y" greater than or equal to negative 2.1 5 , right bracex+4.192+y+1.62=1.342y≥−2.15
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Expresión 27: left parenthesis, "x" plus negative 4.0 5 5 , right parenthesis squared plus left parenthesis, "y" plus 1.6 , right parenthesis squared equals 1.3 4 squared left brace, "y" greater than or equal to negative 2.1 5 , right bracex+−4.0552+y+1.62=1.342y≥−2.15
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Expresión 28: "y" equals negative 2.1 5 left brace, negative 2.9 5 less than or equal to "x" less than or equal to 2.8 , right bracey=−2.15−2.95≤x≤2.8
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Expresión 29: "y" equals negative .0 5 6 "x" plus negative 2.4 7 left brace, negative 7.2 less than or equal to "x" less than or equal to negative 5.4 1 , right bracey=−.056x+−2.47−7.2≤x≤−5.41
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Expresión 30: "y" equals 1.2 5 "x" minus 8.7 left brace, 5.3 1 5 less than "x" less than 7.1 , right bracey=1.25x−8.75.315<x<7.1
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Expresión 31: "x" equals negative 30 left parenthesis, "y" minus .6 , right parenthesis squared plus 3.9 left brace, negative 1.8 2 less than or equal to "x" , right brace left brace, "y" less than or equal to .5 5 , right bracex=−30y−.62+3.9−1.82≤xy≤.55
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Expresión 32: "y" equals negative left parenthesis, .0 9 "x" , right parenthesis squared plus .2 left brace, negative 5.4 5 less than or equal to "x" less than or equal to negative 1.8 2 , right bracey=−.09x2+.2−5.45≤x≤−1.82
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Expresión 33: "y" equals negative .0 8 5 left parenthesis, "x" minus .8 , right parenthesis squared plus 1.3 4 left brace, 0 less than or equal to "x" less than or equal to 3.8 3 , right bracey=−.085x−.82+1.340≤x≤3.83
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Expresión 34: "y" equals .6 2 "x" plus 1.3 left brace, negative 1.8 less than or equal to "x" less than or equal to negative .0 2 , right bracey=.62x+1.3−1.8≤x≤−.02
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Expresión 35: "y" equals .6 2 "x" plus 1.6 left brace, negative 2.3 2 less than or equal to "x" less than or equal to negative .5 , right bracey=.62x+1.6−2.32≤x≤−.5
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Expresión 36: "y" equals negative "x" plus .8 left brace, negative .6 6 7 less than or equal to "x" less than or equal to negative .5 , right bracey=−x+.8−.667≤x≤−.5
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Expresión 37: "y" equals 2.9 5 "x" plus negative 4.3 left brace, 1.5 6 less than or equal to "x" less than or equal to 1.8 7 , right bracey=2.95x+−4.31.56≤x≤1.87
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Expresión 38: "y" equals 3.5 8 "x" plus negative 6.9 5 left brace, 2.0 3 9 less than or equal to "x" less than or equal to 2.2 6 , right bracey=3.58x+−6.952.039≤x≤2.26
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Expresión 39: "y" equals 1.5 1 StartRoot, "x" plus 7.2 , EndRoot minus 2.0 5 left brace, "x" less than or equal to negative 5.3 9 9 , right bracey=1.51x+7.2−2.05x≤−5.399
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Expresión 40: 2 ninths left parenthesis, "x" minus 6.2 , right parenthesis squared left brace, 6.1 0 8 less than "x" less than 7.1 , right brace29x−6.226.108<x<7.1
