表达式27: "y" equals negative left parenthesis, "x" minus 19.2 5 , right parenthesis to the 5th power plus 11.6 left brace, 18.9 less than "x" less than 20.1 5 , right bracey=−x−19.255+11.618.9<x<20.15
27
表达式28: "y" equals 2 left parenthesis, "x" minus 3 , right parenthesis left brace, 7 less than "y" less than 10.5 , right bracey=2x−37<y<10.5
28
表达式29: "y" equals 1.5 left parenthesis, "x" minus 3.3 , right parenthesis left brace, 6.5 less than "y" less than 9.6 2 , right bracey=1.5x−3.36.5<y<9.62
29
表达式30: "y" equals negative 3 left parenthesis, "x" minus 9.8 , right parenthesis left brace, 6.5 greater than "y" greater than 2.0 8 , right bracey=−3x−9.86.5>y>2.08
30
表达式31: "y" equals negative 2 left parenthesis, "x" minus 23 , right parenthesis left brace, 10.5 greater than "y" greater than 7.1 3 , right bracey=−2x−2310.5>y>7.13
31
表达式32: "y" equals negative 1.5 left parenthesis, "x" minus 22.7 , right parenthesis left brace, 9.6 8 greater than "y" greater than 6.6 , right bracey=−1.5x−22.79.68>y>6.6
32
表达式33: "y" equals 3 left parenthesis, "x" minus 16.1 , right parenthesis left brace, 6.6 greater than "y" greater than 2 , right bracey=3x−16.16.6>y>2
33
表达式34: "y" equals 1 fifth "x" plus 1 quarter left brace, 3.0 5 2 7 less than "x" less than 9.1 , right bracey=15x+143.0527<x<9.1
34
表达式35: "y" equals negative 1 fifth left parenthesis, "x" minus 26.5 , right parenthesis plus .0 6 left brace, 16.7 6 9 less than "x" less than 23 , right bracey=−15x−26.5+.0616.769<x<23
35
表达式36: StartFraction, left parenthesis, left parenthesis, "x" cos left parenthesis, "a" , right parenthesis minus "y" sin left parenthesis, "a" , right parenthesis , right parenthesis plus 3.5 , right parenthesis squared Over 48 , EndFraction plus StartFraction, left parenthesis, left parenthesis, "x" sin left parenthesis, "a" , right parenthesis plus "y" cos left parenthesis, "a" , right parenthesis , right parenthesis minus 7.1 2 , right parenthesis squared Over 9 , EndFraction equals 0.2 5 left brace, "x" greater than 5.8 , right brace left brace, "y" less than 7 , right bracexcosa−ysina+3.5248+xsina+ycosa−7.1229=0.25x>5.8y<7
36
表达式37: "a" equals 1.2a=1.2
negative 10−10
1010
37
表达式38: "y" equals negative 1 quarter left parenthesis, "x" minus 5.8 , right parenthesis squared plus 2.7 4 7 5 left brace, 3.0 5 2 7 less than "x" less than 5.8 , right bracey=−14x−5.82+2.74753.0527<x<5.8
38
表达式39: "y" equals negative 1 quarter left parenthesis, "x" minus 4.6 , right parenthesis squared plus 2.6 left brace, 4.9 5 4 greater than "x" greater than 2.1 , right bracey=−14x−4.62+2.64.954>x>2.1
39
表达式40: "y" equals 1 quarter "x" plus .5 left brace, 2.1 1 less than "x" less than 3.4 4 5 , right bracey=14x+.52.11<x<3.445
40
表达式41: "y" equals negative 1 quarter left parenthesis, "x" minus 3.6 , right parenthesis squared plus 2.5 left brace, 1.3 8 less than "x" less than 3.9 , right bracey=−14x−3.62+2.51.38<x<3.9
41
表达式42: "y" equals 1 quarter "x" plus .9 3 left brace, 1.3 8 8 less than "x" less than 2.5 7 4 , right bracey=14x+.931.388<x<2.574
42
表达式43: left parenthesis, "x" minus 4 , right parenthesis squared plus left parenthesis, "y" minus 1 , right parenthesis squared equals 1 left brace, 4 less than "x" less than 4.9 7 , right brace left brace, 1.2 2 less than "y" , right bracex−42+y−12=14<x<4.971.22<y
43
表达式44: left parenthesis, "x" minus 2.8 , right parenthesis squared plus left parenthesis, "y" minus 1 , right parenthesis squared equals 1 left brace, 3.0 2 less than "x" less than 3.6 2 5 , right brace left brace, .5 less than "y" , right bracex−2.82+y−12=13.02<x<3.625.5<y
44
表达式45: left parenthesis, "x" minus 2 , right parenthesis squared plus left parenthesis, "y" minus 1 , right parenthesis squared equals 1 left brace, 2.1 1 6 less than "x" , right brace left brace, 1.7 0 6 less than "y" , right bracex−22+y−12=12.116<x1.706<y
45
表达式46: StartFraction, left parenthesis, left parenthesis, negative "x" cos left parenthesis, "a" , right parenthesis minus "y" sin left parenthesis, "a" , right parenthesis , right parenthesis plus 13 , right parenthesis squared Over 48 , EndFraction plus StartFraction, left parenthesis, left parenthesis, negative "x" sin left parenthesis, "a" , right parenthesis plus "y" cos left parenthesis, "a" , right parenthesis , right parenthesis plus 17 , right parenthesis squared Over 9 , EndFraction equals 0.2 5 left brace, 7.1 3 1 greater than "y" , right brace left brace, 20.3 greater than "x" , right brace−xcosa−ysina+13248+−xsina+ycosa+1729=0.257.131>y20.3>x
46
表达式47: "y" equals negative 1 quarter left parenthesis, "x" minus 20 , right parenthesis squared plus 3 left brace, 20.2 9 9 less than "x" less than 22.9 9 3 , right bracey=−14x−202+320.299<x<22.993
47
表达式48: "y" equals negative 1 quarter left parenthesis, "x" minus 21.5 , right parenthesis squared plus 3 left brace, 20.7 5 less than "x" less than 24.4 , right bracey=−14x−21.52+320.75<x<24.4
48
表达式49: "y" equals negative 1 quarter left parenthesis, "x" minus 22.5 , right parenthesis squared plus 2.8 left brace, 24.8 3 greater than "x" greater than 22.4 , right bracey=−14x−22.52+2.824.83>x>22.4
49
表达式50: "y" equals negative 1 quarter "x" plus 7 left brace, 22.5 6 1 less than "x" less than 24.3 9 9 , right bracey=−14x+722.561<x<24.399
50
表达式51: "y" equals negative 1 sixth "x" plus 5.6 left brace, 23.8 8 less than "x" less than 24.8 3 , right bracey=−16x+5.623.88<x<24.83
51
表达式52: left parenthesis, "x" minus 22 , right parenthesis squared plus left parenthesis, "y" minus 1 , right parenthesis squared equals 1 left brace, 22 greater than "x" , right brace left brace, 1.1 5 8 less than "y" , right bracex−222+y−12=122>x1.158<y
52
表达式53: left parenthesis, "x" minus 23.2 , right parenthesis squared plus left parenthesis, "y" minus 1.2 , right parenthesis squared equals 1 left brace, 22.3 1 3 less than "x" less than 23.3 , right brace left brace, "y" greater than 1 , right bracex−23.22+y−1.22=122.313<x<23.3y>1
53
表达式54: left parenthesis, "x" minus 24 , right parenthesis squared plus left parenthesis, "y" minus 1.2 , right parenthesis squared equals 1 left brace, 23.4 5 9 less than "x" less than 24.1 , right brace left brace, "y" greater than 1 , right bracex−242+y−1.22=123.459<x<24.1y>1
