Expression 20: left parenthesis, "y" plus 1.6 , right parenthesis squared plus 3 left parenthesis, "x" minus 4.4 , right parenthesis squared equals 2 left brace, negative 1.7 less than or equal to "y" , right brace left brace, 4.5 1 5 less than or equal to "x" , right bracey+1.62+3x−4.42=2−1.7≤y4.515≤x
20
Expression 21: left parenthesis, "y" minus 0.5 , right parenthesis squared plus left parenthesis, "x" minus 3.8 , right parenthesis squared equals 2 left brace, negative 0.4 3 4 less than or equal to "y" less than or equal to 0.6 0 4 , right brace left brace, 4 less than or equal to "x" , right bracey−0.52+x−3.82=2−0.434≤y≤0.6044≤x
21
Expression 22: "y" equals negative StartFraction, 1 Over 3.5 , EndFraction "x" plus 4.5 left brace, 1.7 less than or equal to "x" less than or equal to 4.3 8 , right bracey=−13.5x+4.51.7≤x≤4.38
22
Expression 23: left parenthesis, "y" plus 1.5 , right parenthesis squared plus left parenthesis, "x" minus 4.2 3 , right parenthesis squared equals 1 left brace, 4.6 2 8 less than or equal to "x" , right brace left brace, negative 1.6 6 9 6 greater than or equal to "y" , right bracey+1.52+x−4.232=14.628≤x−1.6696≥y
23
Expression 24: "y" equals negative 1 quarter "x" minus 1.2 6 left brace, 4.2 8 less than or equal to "x" less than or equal to 4.6 2 9 , right bracey=−14x−1.264.28≤x≤4.629
24
Expression 25: "y" equals negative StartFraction, 1 Over 10 , EndFraction "x" positive 4.1 8 left brace, negative 0.6 less than or equal to "x" less than or equal to 1.7 2 4 , right bracey=−110x+4.18−0.6≤x≤1.724
25
Expression 26: left parenthesis, "y" minus 3.5 4 , right parenthesis squared plus left parenthesis, "x" plus 0.5 , right parenthesis squared equals 0.5 left brace, negative 0.9 7 less than or equal to "x" less than or equal to negative 0.6 , right brace left brace, "y" greater than or equal to 3.5 , right bracey−3.542+x+0.52=0.5−0.97≤x≤−0.6y≥3.5
26
Expression 27: "y" equals 3.1 9 left brace, 8.1 8 2 less than or equal to "x" less than or equal to 8.3 1 7 , right bracey=3.198.182≤x≤8.317
27
Expression 28: left parenthesis, "y" plus 1.5 , right parenthesis squared plus 3 left parenthesis, "x" minus 5.4 8 5 , right parenthesis squared equals 2 left brace, 5.9 9 5 less than or equal to "x" , right brace left brace, negative 1.5 2 less than or equal to "y" , right bracey+1.52+3x−5.4852=25.995≤x−1.52≤y
28
Expression 29: left parenthesis, "y" plus 1.5 , right parenthesis squared plus left parenthesis, "x" minus 5.3 , right parenthesis squared equals 1 left brace, negative 1.5 greater than or equal to "y" , right brace left brace, 5 less than or equal to "x" , right bracey+1.52+x−5.32=1−1.5≥y5≤x
29
Expression 30: "y" equals negative 3 "x" plus 12.5 5 left brace, 5.0 0 1 greater than or equal to "x" greater than or equal to 4.9 2 3 , right bracey=−3x+12.555.001≥x≥4.923
30
Expression 31: left parenthesis, "y" minus 0.5 , right parenthesis squared plus left parenthesis, "x" minus 4.5 , right parenthesis squared equals 3 left brace, "y" less than or equal to 0 , right brace left brace, 5.9 less than or equal to "x" , right bracey−0.52+x−4.52=3y≤05.9≤x
31
Expression 32: "y" equals negative 1 sixth "x" minus 3.5 left brace, 6.0 4 5 greater than or equal to "x" greater than or equal to 3.8 , right bracey=−16x−3.56.045≥x≥3.8
32
Expression 33: 3 left parenthesis, "y" plus 3.2 6 , right parenthesis squared plus 2 left parenthesis, "x" minus 2.8 , right parenthesis squared equals 2.5 left brace, 3.2 4 7 greater than or equal to "x" , right brace left brace, negative 2.5 less than or equal to "y" , right brace3y+3.262+2x−2.82=2.53.247≥x−2.5≤y
33
Expression 34: "x" equals 2 left parenthesis, "y" plus 3.0 5 , right parenthesis squared plus 1.5 left brace, 3.9 7 6 greater than or equal to "x" greater than or equal to 1.8 , right brace left brace, "y" less than or equal to negative 3 , right bracex=2y+3.052+1.53.976≥x≥1.8y≤−3
34
Expression 35: 2 left parenthesis, "y" plus 3.3 6 , right parenthesis squared plus left parenthesis, "x" minus 2.9 , right parenthesis squared equals 2 left brace, 2.1 8 8 5 greater than or equal to "x" greater than or equal to 1.8 , right brace left brace, negative 3 less than or equal to "y" , right brace2y+3.362+x−2.92=22.1885≥x≥1.8−3≤y
35
Expression 36: 3.5 left parenthesis, "y" plus 3.0 8 , right parenthesis squared plus left parenthesis, "x" minus 2.5 5 , right parenthesis squared equals 1 left brace, negative 2.6 1 6 greater than or equal to "y" , right brace left brace, 1.8 6 1 greater than or equal to "x" , right brace3.5y+3.082+x−2.552=1−2.616≥y1.861≥x
36
Expression 37: "y" equals negative 3 "x" plus 38 left brace, 0 greater than or equal to "y" greater than or equal to negative 6.2 , right bracey=−3x+380≥y≥−6.2
37
Expression 38: "y" equals negative 2 "x" plus 12.5 left brace, 8.9 3 less than or equal to "x" less than or equal to 10.2 , right bracey=−2x+12.58.93≤x≤10.2
38
Expression 39: left parenthesis, "y" plus 1 , right parenthesis squared plus left parenthesis, "x" minus 6 , right parenthesis squared equals 1 left brace, 6.1 7 5 less than or equal to "x" less than or equal to 6.9 2 8 , right brace left brace, negative 1 greater than or equal to "y" , right bracey+12+x−62=16.175≤x≤6.928−1≥y
