Expression 9: "y" equals negative 1 half "x" minus 3.5 left brace, negative 13.6 less than or equal to "x" less than or equal to negative 10.9 8 , right bracey=−12x−3.5−13.6≤x≤−10.98
9
Expression 10: "y" minus 3.3 equals 5 halves left parenthesis, "x" plus 13.6 , right parenthesis left brace, 0.4 0 2 less than or equal to "y" less than or equal to 3.3 , right bracey−3.3=52x+13.60.402≤y≤3.3
10
Expression 11: "y" minus 1.9 9 equals 5 halves left parenthesis, "x" plus 10.9 8 , right parenthesis left brace, negative 0.9 6 3 less than or equal to "y" less than or equal to 1.9 9 , right bracey−1.99=52x+10.98−0.963≤y≤1.99
11
Expression 12: "y" equals negative 1 half "x" minus 7 left brace, negative 14.7 2 8 less than or equal to "x" less than or equal to negative 12.1 4 7 , right bracey=−12x−7−14.728≤x≤−12.147
12
Expression 13: "x" equals 1 quarter left parenthesis, "y" minus 14 , right parenthesis squared minus 4 left brace, "x" less than or equal to negative 3.7 5 , right bracex=14y−142−4x≤−3.75
13
Expression 14: "x" equals negative 1 quarter left parenthesis, "y" minus 16 , right parenthesis squared minus 3.5 left brace, "x" greater than or equal to negative 3.7 5 , right bracex=−14y−162−3.5x≥−3.75
14
Expression 15: "x" equals 1 quarter left parenthesis, "y" minus 14 , right parenthesis squared plus 4 left brace, 13 less than or equal to "y" less than or equal to 15 , right bracex=14y−142+413≤y≤15
15
Expression 16: "x" equals negative 1 quarter left parenthesis, "y" minus 16 , right parenthesis squared plus 4.5 left brace, 15 less than or equal to "y" less than or equal to 17 , right bracex=−14y−162+4.515≤y≤17
16
Expression 17: "x" equals 1 quarter left parenthesis, "y" minus 18 , right parenthesis squared minus 4 left brace, 17 less than or equal to "y" less than or equal to 19 , right bracex=14y−182−417≤y≤19
17
Expression 18: "x" equals 1 quarter left parenthesis, "y" minus 18 , right parenthesis squared plus 4 left brace, 17 less than or equal to "y" less than or equal to 19 , right bracex=14y−182+417≤y≤19
