Expression 19: 40 less than or equal to "x" less than or equal to 80 left brace, negative 80 less than or equal to "y" less than or equal to negative 70 , right brace40≤x≤80−80≤y≤−70
19
Expression 20: 50 less than or equal to "x" less than or equal to 65 left brace, negative 55 less than or equal to "y" less than or equal to negative 45 , right brace50≤x≤65−55≤y≤−45
20
Expression 21: 70 less than or equal to "x" less than or equal to 80 left brace, negative 70 less than or equal to "y" less than or equal to negative 60 , right brace70≤x≤80−70≤y≤−60
21
Expression 22: "x" minus 74.3 4 equals negative 2.1 left parenthesis, "y" , right parenthesis left brace, 74.3 4 less than or equal to "x" less than or equal to 77.6 9 , right bracex−74.34=−2.1y74.34≤x≤77.69
22
Expression 23: "y" equals negative 0.9 "x" plus 29 left brace, 28.2 5 6 less than or equal to "x" less than or equal to 32.2 2 2 , right bracey=−0.9x+2928.256≤x≤32.222
23
Expression 24: "y" equals negative 1.1 "x" plus 37 left brace, 52.6 less than or equal to "x" less than or equal to 56.1 8 , right bracey=−1.1x+3752.6≤x≤56.18
24
Expression 25: "y" equals negative StartFraction, 1 Over 75 , EndFraction left parenthesis, "x" minus 10 , right parenthesis squared plus 15 left brace, 33.2 7 less than or equal to "x" less than or equal to 60.9 8 , right bracey=−175x−102+1533.27≤x≤60.98
25
Expression 26: "y" equals StartFraction, 1 Over 75 , EndFraction left parenthesis, "x" minus 97 , right parenthesis squared minus 15 left brace, 45.8 less than or equal to "x" less than or equal to 72.9 3 , right bracey=175x−972−1545.8≤x≤72.93
26
Expression 27: "y" equals negative 1 "x" plus 54 left brace, 38.5 1 less than or equal to "x" less than or equal to 68.4 9 , right bracey=−1x+5438.51≤x≤68.49
27
Expression 28: "y" equals 0.6 "x" minus 19 left brace, 28.0 9 2 less than or equal to "x" less than or equal to 32 , right bracey=0.6x−1928.092≤x≤32
28
Expression 29: "y" equals 1.3 "x" minus 89 left brace, 49.4 3 1 less than or equal to "x" less than or equal to 52.3 5 , right bracey=1.3x−8949.431≤x≤52.35
29
Expression 30: "y" equals 0.6 "x" minus 11 left brace, 53.8 less than or equal to "x" less than or equal to 58.8 4 5 , right bracey=0.6x−1153.8≤x≤58.845
30
Expression 31: "y" equals 0.8 7 "x" minus 65 left brace, 74.5 8 1 less than or equal to "x" less than or equal to 77.8 5 1 , right bracey=0.87x−6574.581≤x≤77.851
31
Expression 32: "y" equals negative StartRoot, 450 negative left parenthesis, "x" minus 53 , right parenthesis squared , EndRooty=−450−x−532
32
Expression 33: "y" equals StartRoot, 450 negative left parenthesis, "x" minus 53 , right parenthesis squared , EndRooty=450−x−532
33
Expression 34: negative 35 greater than or equal to "y" greater than or equal to negative 5 halves "x" negative 72.5 left brace, negative 15 less than or equal to "x" less than or equal to negative 11 , right brace−35≥y≥−52x−72.5−15≤x≤−11
34
Expression 35: negative 35 greater than or equal to "y" greater than or equal to 5 halves "x" minus 97.5 left brace, 21 less than or equal to "x" less than or equal to 25 , right brace−35≥y≥52x−97.521≤x≤25
35
Expression 36: "y" equals negative 35 left brace, negative 20 less than or equal to "x" less than or equal to negative 5 , right bracey=−35−20≤x≤−5
36
Expression 37: "y" equals negative 35 left brace, 15 less than or equal to "x" less than or equal to 30 , right bracey=−3515≤x≤30
