表达式11: "x" equals negative StartFraction, 1 Over 16 , EndFraction left parenthesis, "y" , right parenthesis squared plus 8.5 left brace, negative 3 less than "y" less than .5 , right bracex=−116y2+8.5−3<y<.5
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表达式12: "x" equals negative StartFraction, 1 Over 16 , EndFraction left parenthesis, "y" , right parenthesis squared plus 10 left brace, negative 3 less than "y" less than 3.7 8 , right bracex=−116y2+10−3<y<3.78
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表达式13: "y" equals negative 3 left brace, 8 less than "x" less than 9.4 , right bracey=−38<x<9.4
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表达式14: "y" equals 1 seventh left parenthesis, "x" plus 5 , right parenthesis squared plus 2.5 left brace, negative 5 greater than or equal to "x" greater than or equal to negative 8.5 , right bracey=17x+52+2.5−5≥x≥−8.5
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表达式15: "y" equals StartFraction, 1 Over 19 , EndFraction left parenthesis, "x" plus 4.5 , right parenthesis squared plus 3.5 left brace, negative 4.7 2 greater than or equal to "x" greater than or equal to negative 8.5 , right bracey=119x+4.52+3.5−4.72≥x≥−8.5
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表达式16: left parenthesis, "x" plus 2.7 , right parenthesis squared plus left parenthesis, "y" minus 5 , right parenthesis squared less than or equal to .0 9x+2.72+y−52≤.09
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表达式17: left parenthesis, "x" plus 1.5 , right parenthesis squared plus left parenthesis, "y" minus 5.4 , right parenthesis squared equals .2 5 left brace, "x" greater than negative 1.5 , right bracex+1.52+y−5.42=.25x>−1.5
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表达式18: left parenthesis, "x" plus 1.5 , right parenthesis squared plus left parenthesis, "y" minus 4.4 , right parenthesis squared equals .2 5 left brace, "x" greater than negative 1.5 , right bracex+1.52+y−4.42=.25x>−1.5
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表达式19: "y" equals negative 1 third left parenthesis, "x" minus 8.6 , right parenthesis squared plus 4.8 left brace, 8.6 less than or equal to "x" less than or equal to 11.5 , right bracey=−13x−8.62+4.88.6≤x≤11.5
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表达式20: "y" equals negative 1 third left parenthesis, "x" minus 8.4 5 , right parenthesis squared plus 4 left brace, 9 less than or equal to "x" less than or equal to 11.2 , right bracey=−13x−8.452+49≤x≤11.2
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表达式21: "y" equals negative 5 left parenthesis, "x" minus 11.5 , right parenthesis squared plus 2 left brace, 11.0 5 less than or equal to "x" less than or equal to 11.9 5 , right bracey=−5x−11.52+211.05≤x≤11.95
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表达式22: "y" equals 5 left parenthesis, "x" minus 11.5 , right parenthesis squared left brace, 11.0 5 less than or equal to "x" less than or equal to 11.9 5 , right bracey=5x−11.5211.05≤x≤11.95
