表达式21: negative 2 "y" less than or equal to negative StartFraction, 2 Over 1 , EndFraction cosine left parenthesis, 1 ninth "x" , right parenthesis minus 12−2y≤−21cos19x−12
21
表达式22: "y" less than negative 12y<−12
22
表达式23: "x" equals 12 left brace, "y" less than or equal to negative 10 , right brace left brace, "y" greater than or equal to negative 12 , right bracex=12y≤−10y≥−12
23
表达式24: "x" equals "y" left brace, "y" less than or equal to negative 10 , right brace left brace, "y" greater than or equal to negative 12 , right bracex=yy≤−10y≥−12
24
表达式25: "x" equals negative "y" left brace, "y" less than or equal to negative 10 , right brace left brace, "y" greater than or equal to negative 12 , right bracex=−yy≤−10y≥−12
25
表达式26: 0.8 1 "x" minus 22 equals "y" left brace, "y" less than or equal to negative 10 , right brace left brace, "y" greater than or equal to negative 12 , right brace0.81x−22=yy≤−10y≥−12
26
表达式27: "x" equals negative "y" minus 24 left brace, "y" less than or equal to negative 10 , right brace left brace, "y" greater than or equal to negative 12 , right bracex=−y−24y≤−10y≥−12
27
表达式28: "r" less than or equal to negative 3cosine left parenthesis, 3.5 theta , right parenthesisr≤−3cos3.5θ
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
12 pi12π
定义域\theta最大值：
28
表达式29: "r" less than sine left parenthesis, 1 , right parenthesis StartRoot, 1 , EndRootr<sin11
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
12 pi12π
定义域\theta最大值：
29
表达式30: "r" less than or equal to 4cosine left parenthesis, 10 theta , right parenthesisr≤4cos10θ
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
12 pi12π
定义域\theta最大值：
30
表达式31: "r" less than or equal to negative 5cosine left parenthesis, 10 theta , right parenthesisr≤−5cos10θ
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
12 pi12π
定义域\theta最大值：
31
表达式32: "r" less than or equal to cosine left parenthesis, 10 "f" theta , right parenthesisr≤cos10fθ
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
12 pi12π
定义域\theta最大值：
32
表达式33: "r" less than or equal to negative 3cosine left parenthesis, 3.5 theta , right parenthesisr≤−3cos3.5θ
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
12 pi12π
定义域\theta最大值：
33
表达式34: "r" less than or equal to cosine left parenthesis, 10 "f" theta , right parenthesisr≤cos10fθ
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
12 pi12π
定义域\theta最大值：
34
表达式35: negative 1.5 "x" equals negative 3 "y" left brace, "x" less than or equal to negative 20 , right brace left brace, "x" greater than or equal to negative 24 , right brace−1.5x=−3yx≤−20x≥−24
35
表达式36: "x" equals negative 24 left brace, "y" less than or equal to negative 8.9 , right brace left brace, "y" greater than or equal to negative 12 , right bracex=−24y≤−8.9y≥−12
36
表达式37: 1 "x" equals negative 4 "y" left brace, "x" less than or equal to negative 20 , right brace left brace, "x" greater than or equal to negative 24 , right brace1x=−4yx≤−20x≥−24
37
表达式38: negative 5 "y" equals 2.5 "x" left brace, "y" less than or equal to negative 10 , right brace left brace, "y" greater than or equal to negative 12 , right brace−5y=2.5xy≤−10y≥−12
38
表达式39: "x" equals 24 left brace, "y" less than or equal to negative 9.5 , right brace left brace, "y" greater than or equal to negative 12 , right bracex=24y≤−9.5y≥−12
39
表达式40: negative 12 "x" equals 12 "y" plus 436 left brace, "y" less than or equal to negative 9.8 , right brace left brace, "y" greater than or equal to negative 12 , right brace−12x=12y+436y≤−9.8y≥−12
40
表达式41: "y" equals 1 "x" minus 36 left brace, "y" less than or equal to negative 9.6 , right brace left brace, "y" greater than or equal to negative 12 , right bracey=1x−36y≤−9.6y≥−12
