式10: "x" equals negative 4 left brace, negative 4.6 9 6 greater than "y" greater than negative 7 , right bracex=−4−4.696>y>−7
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式11: "x" equals 4 left brace, negative 4.6 9 6 greater than "y" greater than negative 7 , right bracex=4−4.696>y>−7
11
式12: "y" equals 0.0 4 left parenthesis, "x" minus 0 , right parenthesis squared minus 8 left brace, negative 11.7 6 less than "x" less than 11.7 6 , right bracey=0.04x−02−8−11.76<x<11.76
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式13: "y" equals .0 7 9 left parenthesis, "x" minus 10 , right parenthesis squared plus 9 left brace, 20 greater than "x" greater than 0 , right bracey=.079x−102+920>x>0
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式14: "y" equals .0 7 9 left parenthesis, "x" plus 10 , right parenthesis squared plus 9 left brace, negative 20 less than "x" less than 0 , right bracey=.079x+102+9−20<x<0
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式15: "y" equals 17 left brace, 29.3 7 2 greater than "x" greater than negative 28.9 7 2 , right bracey=1729.372>x>−28.972
15
式16: "x" equals "a" left parenthesis, "x" minus 0 , right parenthesisx=ax−0
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式17: "y" equals "a" left parenthesis, "x" minus 0 , right parenthesis squared minus 19 left brace, negative 4.5 3 4 less than "x" less than 4.5 3 4 , right bracey=ax−02−19−4.534<x<4.534
17
式18: 2.3cosine left parenthesis, "x" , right parenthesis plus 23 left brace, negative 7 pi less than "x" less than negative 2.0 1 , right brace2.3cosx+23−7π<x<−2.01
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式19: 2.3cosine left parenthesis, "x" , right parenthesis positive 23 left brace, 2.0 1 less than "x" less than 7 pi , right brace2.3cosx+232.01<x<7π