Expression 39: "y" greater than or equal to negative 4tangent left parenthesis, StartFraction, 1 Over 800 , EndFraction left parenthesis, "x" minus 712 , right parenthesis , right parenthesis plus 830 left brace, "y" less than negative 2tan left parenthesis, StartFraction, 1 Over 800 , EndFraction left parenthesis, "x" minus 739 , right parenthesis , right parenthesis plus 870 , right brace left brace, 2000 less than "x" less than 2070 , right brace left brace, "y" less than 960 , right bracey≥−4tan1800x−712+830y<−2tan1800x−739+8702000<x<2070y<960
39
Expression 40: left parenthesis, "y" minus 380 , right parenthesis squared plus left parenthesis, "x" minus 2000 , right parenthesis squared greater than 15000 left brace, 1.3 left parenthesis, "y" minus 40 , right parenthesis squared plus left parenthesis, "x" minus 2000 , right parenthesis squared less than 80000 , right brace left brace, 1929.0 8 3 less than "x" less than 2070.9 1 6 , right bracey−3802+x−20002>150001.3y−402+x−20002<800001929.083<x<2070.916
40
Expression 41: left parenthesis, "y" minus 380 , right parenthesis squared plus left parenthesis, "x" minus 2000 , right parenthesis squared equals 15000 left brace, "y" less than 420 , right bracey−3802+x−20002=15000y<420
41
Expression 42: "y" equals 960 left brace, 1986.8 6 2 less than "x" less than 2013.4 2 1 , right bracey=9601986.862<x<2013.421
42
Expression 43: "y" equals negative StartFraction, 1 Over 49 , EndFraction left parenthesis, "x" minus 2000 , right parenthesis squared plus 700 left brace, 420 less than "y" less than 670 , right bracey=−149x−20002+700420<y<670
43
Expression 44: left parenthesis, "y" minus 230 , right parenthesis squared plus left parenthesis, "x" minus 2140 , right parenthesis squared equals 10000 left brace, 2047.0 7 less than "x" less than 2084 , right brace left brace, 200 less than "y" , right bracey−2302+x−21402=100002047.07<x<2084200<y
44
Expression 45: left parenthesis, "y" minus 230 , right parenthesis squared plus left parenthesis, "x" minus 1860 , right parenthesis squared equals 10000 left brace, 1916 less than "x" less than 1953 , right brace left brace, "y" greater than 200 , right bracey−2302+x−18602=100001916<x<1953y>200
45
Expression 46: 1.3 left parenthesis, "y" minus 40 , right parenthesis squared plus left parenthesis, "x" minus 2000 , right parenthesis squared less than or equal to 80000 left brace, "x" less than or equal to 1929.0 8 5 , right brace1.3y−402+x−20002≤80000x≤1929.085
46
Expression 47: 1.3 left parenthesis, "y" minus 40 , right parenthesis squared plus left parenthesis, "x" minus 2000 , right parenthesis squared less than or equal to 80000 left brace, "x" greater than 2070 , right brace1.3y−402+x−20002≤80000x>2070
47
Expression 48: 1.3 left parenthesis, "y" minus 40 , right parenthesis squared plus left parenthesis, "x" minus 2000 , right parenthesis squared equals 80000 left brace, "y" less than 280.1 4 6 , right brace1.3y−402+x−20002=80000y<280.146
48
Expression 49: "y" equals 10sine left parenthesis, StartFraction, 1 Over 100 , EndFraction left parenthesis, "x" plus 40 , right parenthesis , right parenthesis plus 100 left brace, 1900 less than "x" less than 2100 , right bracey=10sin1100x+40+1001900<x<2100
49
Expression 50: "y" equals negative 60tangent left parenthesis, StartFraction, 1 Over 1000 , EndFraction left parenthesis, "x" minus 660 , right parenthesis , right parenthesis minus 679 left brace, 2327.4 0 5 less than "x" less than 2780.4 2 4 , right bracey=−60tan11000x−660−6792327.405<x<2780.424
50
Expression 51: "y" equals 200sine left parenthesis, StartFraction, 1 Over 600 , EndFraction left parenthesis, "x" minus 1620 , right parenthesis , right parenthesis negative 770 left brace, 2780 less than "x" less than 3487 , right bracey=200sin1600x−1620−7702780<x<3487
51
Expression 52: left parenthesis, 1.1 5 "y" plus 2458 , right parenthesis squared plus left parenthesis, 1.5 "x" minus 5300 , right parenthesis squared equals 2500000 left brace, "x" greater than 3487 , right brace1.15y+24582+1.5x−53002=2500000x>3487
52
Expression 53: left parenthesis, "y" plus 3241.4 , right parenthesis squared plus left parenthesis, 1.1 "x" minus 3750 , right parenthesis squared equals 80000 left brace, "x" less than or equal to 3487.1 3 , right bracey+3241.42+1.1x−37502=80000x≤3487.13
53
Expression 54: left parenthesis, "y" plus 3241.4 , right parenthesis squared plus left parenthesis, 1.1 "x" minus 3750 , right parenthesis squared equals 80000 left brace, 3487.1 3 less than "x" less than 3567.2 7 4 , right brace left brace, "y" greater than negative 3100 , right bracey+3241.42+1.1x−37502=800003487.13<x<3567.274y>−3100
54
Expression 55: left parenthesis, "y" plus 2864 , right parenthesis squared plus left parenthesis, 1.2 "x" minus 4360 , right parenthesis squared equals 30000 left brace, "x" greater than or equal to 3567.2 2 4 , right brace left brace, "y" less than negative 3001 , right bracey+28642+1.2x−43602=30000x≥3567.224y<−3001
55
Expression 56: left parenthesis, 1.3 "y" plus 3301 , right parenthesis squared plus left parenthesis, "x" minus 2922 , right parenthesis squared equals 1000000 left brace, negative 3001 less than "y" , right brace left brace, "x" greater than 3546.7 9 7 , right brace1.3y+33012+x−29222=1000000−3001<yx>3546.797
56
Expression 57: "y" equals negative 8 "x" plus 313 left brace, "x" greater than 260.7 4 , right brace left brace, "y" greater than negative 3964.1 2 3 , right bracey=−8x+313x>260.74y>−3964.123
57
Expression 58: "y" equals 8 "x" minus 30313 left brace, negative 1780 greater than "y" greater than negative 2958.7 7 9 , right bracey=8x−30313−1780>y>−2958.779
58
Expression 59: "y" equals 8 "x" minus 30313 left brace, negative 3516.5 5 7 greater than "y" greater than negative 3972.1 5 3 , right bracey=8x−30313−3516.557>y>−3972.153
59
Expression 60: "y" equals 30tangent left parenthesis, StartFraction, 1 Over 800 , EndFraction left parenthesis, "x" minus 790 , right parenthesis , right parenthesis minus 2500 left brace, 900 less than "x" less than 2000 , right bracey=30tan1800x−790−2500900<x<2000
60
Expression 61: "y" equals negative 30tangent left parenthesis, StartFraction, 1 Over 800 , EndFraction left parenthesis, "x" minus 696.7 2 , right parenthesis , right parenthesis minus 2500 left brace, 2000 less than "x" less than 3000 , right bracey=−30tan1800x−696.72−25002000<x<3000
61
Expression 62: "x" equals 2000 left brace, negative 2000 less than "y" less than negative 1200 , right bracex=2000−2000<y<−1200
62
Expression 63: left parenthesis, "y" plus 2175.8 , right parenthesis squared plus left parenthesis, "x" minus 3010 , right parenthesis squared equals 100000 left brace, "x" greater than 3000 , right brace left brace, "y" less than negative 2300 , right bracey+2175.82+x−30102=100000x>3000y<−2300
63
Expression 64: left parenthesis, "y" plus 2175.7 , right parenthesis squared plus left parenthesis, "x" minus 900 , right parenthesis squared equals 100000 left brace, "x" less than 900 , right brace left brace, "y" less than negative 2300 , right bracey+2175.72+x−9002=100000x<900y<−2300
64
Expression 65: "y" equals negative 70tangent left parenthesis, StartFraction, 1 Over 300 , EndFraction left parenthesis, "x" plus 255.2 , right parenthesis , right parenthesis minus 1000 left brace, 1235 less than "x" less than 2000 , right bracey=−70tan1300x+255.2−10001235<x<2000
65
Expression 66: "y" equals 70tangent left parenthesis, StartFraction, 1 Over 300 , EndFraction left parenthesis, "x" minus 485.3 , right parenthesis , right parenthesis minus 1000 left brace, 2000 less than "x" less than 2765 , right bracey=70tan1300x−485.3−10002000<x<2765
66
Expression 67: "y" equals negative 7 "x" plus 1964.6 left brace, "x" greater than 530 , right brace left brace, negative 2300 less than "y" , right bracey=−7x+1964.6x>530−2300<y
67
Expression 68: "y" equals 7 "x" minus 25405 left brace, 3300.6 6 3 less than "x" less than 3380 , right bracey=7x−254053300.663<x<3380
68
Expression 69: "y" equals negative StartFraction, 1 Over 50000000 , EndFraction left parenthesis, "x" minus 2000 , right parenthesis to the 4th power minus 2700 left brace, "y" greater than negative 3995.7 5 8 , right bracey=−150000000x−20004−2700y>−3995.758
69
Expression 70: "y" equals 5tangent left parenthesis, StartFraction, 1 Over 300 , EndFraction left parenthesis, "x" plus 352.6 6 , right parenthesis , right parenthesis minus 3100 left brace, 2000 greater than "x" greater than 1625.2 6 2 , right brace left brace, "y" less than negative 2700 , right bracey=5tan1300x+352.66−31002000>x>1625.262y<−2700
70
Expression 71: "y" equals negative 5tangent left parenthesis, StartFraction, 1 Over 300 , EndFraction left parenthesis, "x" plus 360 , right parenthesis , right parenthesis minus 3100 left brace, 2000 less than "x" less than 2375.6 8 9 , right bracey=−5tan1300x+360−31002000<x<2375.689
71
Expression 72: "y" equals 8tangent left parenthesis, StartFraction, 1 Over 300 , EndFraction left parenthesis, "x" plus 354.4 , right parenthesis , right parenthesis minus 3600 left brace, 1998.8 7 4 greater than "x" greater than 1539.4 5 2 , right bracey=8tan1300x+354.4−36001998.874>x>1539.452
72
Expression 73: "y" equals negative 8tangent left parenthesis, StartFraction, 1 Over 300 , EndFraction left parenthesis, "x" minus 583 , right parenthesis , right parenthesis minus 3600 left brace, 1999.3 8 3 less than "x" less than 2460.5 5 3 , right bracey=−8tan1300x−583−36001999.383<x<2460.553
73
Expression 74: "y" equals negative 10tangent left parenthesis, StartFraction, 1 Over 300 , EndFraction left parenthesis, "x" plus 359 , right parenthesis , right parenthesis minus 4000 left brace, 2392.8 9 greater than "x" greater than 1999.6 6 6 , right bracey=−10tan1300x+359−40002392.89>x>1999.666
74
Expression 75: "y" equals 10tangent left parenthesis, StartFraction, 1 Over 300 , EndFraction left parenthesis, "x" plus 354 , right parenthesis , right parenthesis minus 4000 left brace, 1606.9 9 3 less than "x" less than 1999.7 0 2 , right bracey=10tan1300x+354−40001606.993<x<1999.702
75
Expression 76: "y" equals 3.8 "x" minus 5900 left brace, 1130 less than or equal to "y" , right brace left brace, "x" less than or equal to 2000 , right bracey=3.8x−59001130≤yx≤2000
76
Expression 77: "y" equals negative 3.8 "x" plus 9300 left brace, 1130 less than or equal to "y" , right brace left brace, "x" greater than or equal to 2000 , right bracey=−3.8x+93001130≤yx≥2000