表达式14: "y" equals 3 left brace, negative 3.2 less than or equal to "x" less than or equal to 3.2 , right bracey=3−3.2≤x≤3.2
14
表达式15: "y" equals 2 left brace, negative 2.8 less than or equal to "x" less than or equal to 2.8 , right bracey=2−2.8≤x≤2.8
15
表达式16: "y" equals 1 left brace, negative 2.4 less than or equal to "x" less than or equal to 2.4 , right bracey=1−2.4≤x≤2.4
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表达式17: "y" equals 0 left brace, negative 2 less than or equal to "x" less than or equal to 2 , right bracey=0−2≤x≤2
17
表达式18: "y" equals negative 1 left brace, negative 1.6 less than or equal to "x" less than or equal to 1.6 , right bracey=−1−1.6≤x≤1.6
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表达式19: "y" equals negative 2 left brace, negative 1.2 less than or equal to "x" less than or equal to 1.2 , right bracey=−2−1.2≤x≤1.2
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表达式20: "y" equals negative 3 left brace, negative 0.8 less than or equal to "x" less than or equal to 0.8 , right bracey=−3−0.8≤x≤0.8
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表达式21: "y" equals 7 left brace, negative 4.8 less than or equal to "x" less than or equal to 4.8 , right bracey=7−4.8≤x≤4.8
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表达式22: left parenthesis, "x" minus 0 , right parenthesis squared plus left parenthesis, "y" minus 10 , right parenthesis squared less than or equal to "r" squared left brace, 7 less than or equal to "y" less than or equal to 15.7 , right bracex−02+y−102≤r27≤y≤15.7
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表达式23: "r" equals 5.7r=5.7
negative 10−10
1010
23
表达式24: left parenthesis, "x" minus 0 , right parenthesis squared plus left parenthesis, "y" minus 17 , right parenthesis squared less than or equal to 2 squaredx−02+y−172≤22
24
表达式25: left parenthesis, log Subscript, 2 , Baseline left parenthesis, "x" minus "a" , right parenthesis , right parenthesis plus "b" left brace, 1.2 6 4 less than or equal to "x" less than or equal to 4.3 , right bracelog2x−a+b1.264≤x≤4.3