運算式 10: "y" equals negative 15 left brace, negative 1.5 greater than or equal to "x" greater than or equal to negative 8.5 , right bracey=−15−1.5≥x≥−8.5
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運算式 11: "y" equals negative 15 left brace, 1.5 less than or equal to "x" less than or equal to 8.5 , right bracey=−151.5≤x≤8.5
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運算式 12: "y" equals .0 5 left parenthesis, "x" , right parenthesis squared minus 14.5 left brace, negative 2 less than or equal to "x" less than or equal to 2 , right bracey=.05x2−14.5−2≤x≤2
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運算式 13: "y" equals negative 1 left parenthesis, "x" plus 2.5 , right parenthesis squared plus 9 left brace, negative 1.1 greater than or equal to "x" greater than or equal to negative 4.3 5 , right bracey=−1x+2.52+9−1.1≥x≥−4.35
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運算式 14: "y" equals negative 1 left parenthesis, "x" minus 2.5 , right parenthesis squared plus 9 left brace, 1.1 less than or equal to "x" less than or equal to 4.3 5 , right bracey=−1x−2.52+91.1≤x≤4.35
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運算式 15: "x" equals 2.5 left brace, 7 less than or equal to "y" less than or equal to 8.5 , right bracex=2.57≤y≤8.5
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運算式 16: "x" equals negative 2.5 left brace, 7 less than or equal to "y" less than or equal to 8.5 , right bracex=−2.57≤y≤8.5
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運算式 17: "x" minus 5 left brace, 0 less than or equal to "x" less than or equal to 3 , right bracex−50≤x≤3
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運算式 18: negative "x" minus 5 left brace, 0 greater than or equal to "x" greater than or equal to negative 3 , right brace−x−50≥x≥−3
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運算式 19: "y" equals negative 2 left brace, negative 3 less than or equal to "x" less than or equal to 3 , right bracey=−2−3≤x≤3
