表达式27: "y" equals 500secant left parenthesis, "x" plus 70 , right parenthesis minus 370 left brace, negative 81.9 1 4 less than or equal to "x" less than or equal to negative 60 , right bracey=500secx+70−370−81.914≤x≤−60
27
表达式28: "y" equals 500co secant left parenthesis, "x" plus 140 , right parenthesis minus 370 left brace, negative 60 less than or equal to "x" less than or equal to negative 38.0 8 6 , right bracey=500cscx+140−370−60≤x≤−38.086
28
表达式29: "y" equals negative 0.1 left parenthesis, "x" plus 50 , right parenthesis squared plus 170 left brace, negative 60 less than or equal to "x" less than or equal to negative 40 , right bracey=−0.1x+502+170−60≤x≤−40
29
表达式30: "y" equals negative absolute value left parenthesis, 2 left parenthesis, "x" plus 38 , right parenthesis , right parenthesis plus 115 left brace, negative 53.1 4 5 less than or equal to "x" less than or equal to negative 22.7 5 , right bracey=−abs2x+38+115−53.145≤x≤−22.75
30
表达式31: "y" equals 1.5sine 55 "x" plus 100 left brace, negative 44.9 4 less than or equal to "x" less than or equal to negative 31.2 4 2 , right bracey=1.5sin55x+100−44.94≤x≤−31.242
31
表达式32: "y" equals negative absolute value left parenthesis, 2 left parenthesis, "x" minus 38 , right parenthesis , right parenthesis plus 115 left brace, 22.7 5 less than or equal to "x" less than or equal to 53.1 4 5 , right bracey=−abs2x−38+11522.75≤x≤53.145
32
表达式33: "y" equals 1.5sine 55 "x" plus 100 left brace, 30.0 7 8 less than or equal to "x" less than or equal to 45.6 6 3 , right bracey=1.5sin55x+10030.078≤x≤45.663
33
表达式34: "y" equals 1.5 left parenthesis, "x" plus 50 , right parenthesis plus 5 left brace, negative 55 less than or equal to "x" less than or equal to negative 45 , right bracey=1.5x+50+5−55≤x≤−45
34
表达式35: "y" equals negative 1.5 left parenthesis, "x" plus 50 , right parenthesis plus 5 left brace, negative 55 less than or equal to "x" less than or equal to negative 45 , right bracey=−1.5x+50+5−55≤x≤−45
35
表达式36: "y" equals 5 left brace, negative 57.5 less than or equal to "x" less than or equal to negative 42.5 , right bracey=5−57.5≤x≤−42.5
36
表达式37: "y" equals negative 1.5 left parenthesis, "x" minus 50 , right parenthesis plus 17 left brace, 45 less than or equal to "x" less than or equal to 55 , right bracey=−1.5x−50+1745≤x≤55
37
表达式38: "y" equals 17 left brace, 43 less than or equal to "x" less than or equal to 57 , right bracey=1743≤x≤57
38
表达式39: "y" equals 1.5 left parenthesis, "x" minus 50 , right parenthesis plus 17 left brace, 45 less than or equal to "x" less than or equal to 55 , right bracey=1.5x−50+1745≤x≤55
39
表达式40: "y" equals negative 10.6 0 6 6 left brace, negative 10.6 0 6 6 less than or equal to "x" less than or equal to 10.6 0 6 6 , right bracey=−10.6066−10.6066≤x≤10.6066
40
表达式41: "y" equals 2sine 45 "x" plus 85 left brace, 52.6 6 7 less than or equal to "x" less than or equal to 78 , right bracey=2sin45x+8552.667≤x≤78
41
表达式42: left parenthesis, left parenthesis, 2 "t" plus 30 , right parenthesis , 3 "t" plus 50 , right parenthesis2t+30,3t+50
定义域t最小值： 2.8 5 72.857
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 17.517.5
42
表达式43: left parenthesis, negative 2 left parenthesis, "t" minus 50 , right parenthesis , 3 "t" plus 50 , right parenthesis−2t−50,3t+50
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 17.517.5
43
表达式44: left parenthesis, 12cos "t" plus 50 , 12sin "t" plus 17 , right parenthesis12cost+50,12sint+17
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 360360
44
表达式45: left parenthesis, 10cos "t" minus 50 , 10sin "t" plus 5 , right parenthesis10cost−50,10sint+5
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 360360
45
表达式46: left parenthesis, 20cos "t" , 15sin "t" plus 150 , right parenthesis20cost,15sint+150
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 360360
46
表达式47: left parenthesis, 70 plus 20cos left parenthesis, "t" , right parenthesis , 150 plus 20sin left parenthesis, "t" , right parenthesis , right parenthesis70+20cost,150+20sint
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 360360
47
表达式48: left parenthesis, 10cos "t" minus 70 , 10sin "t" plus 160 , right parenthesis10cost−70,10sint+160
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 180180
48
表达式49: left parenthesis, 70 , "t" , right parenthesis70,t
定义域t最小值： 103103
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 121121
49
表达式50: left parenthesis, left parenthesis, StartRoot, "t" , EndRoot times 0.5cos "t" plus 70 , right parenthesis , left parenthesis, StartRoot, "t" , EndRoot times negative 0.5sin "t" , right parenthesis plus 150 , right parenthesist·0.5cost+70,t·−0.5sint+150
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 720720
50
表达式51: left parenthesis, negative 50 , "t" plus 5 , right parenthesis−50,t+5
定义域t最小值： negative 7.5−7.5
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 7.57.5
51
表达式52: left parenthesis, 50 , "t" , right parenthesis50,t
定义域t最小值： 1010
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 2525
52
表达式53: "r" equals 15 left brace, 315 less than or equal to theta less than or equal to 585 , right bracer=15315≤θ≤585
315315
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
585585
定义域\theta最大值：
53
表达式54: "r" equals 11cosine 4 thetar=11cos4θ
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
