Expression 5: "y" squared plus left parenthesis, "x" plus "a" , right parenthesis squared less than or equal to left parenthesis, 5 quarters , right parenthesis squaredy2+x+a2≤542
5
Expression 6: negative "g" left parenthesis, "x" , right parenthesis less than or equal to "y" less than or equal to negative "f" left parenthesis, negative "x" , right parenthesis−gx≤y≤−f−x
6
Expression 7: "l" left parenthesis, "x" , right parenthesis less than or equal to "y" less than or equal to "f" left parenthesis, "x" , right parenthesislx≤y≤fx
7
Expression 8: negative "g" left parenthesis, "x" , right parenthesis less than or equal to "y" less than or equal to negative "l" left parenthesis, "x" , right parenthesis−gx≤y≤−lx
8
Expression 9: negative "g" left parenthesis, "x" , right parenthesis less than or equal to "y" less than or equal to "f" left parenthesis, "x" , right parenthesis left brace, 0 less than "x" less than left parenthesis, 2 quarters "a" , right parenthesis , right brace−gx≤y≤fx0<x<24a
9
Expression 10: negative "g" left parenthesis, "x" , right parenthesis less than or equal to "y" less than or equal to "f" left parenthesis, "x" , right parenthesis left brace, 2 quarters "a" less than "x" less than 4 "a" , right brace−gx≤y≤fx24a<x<4a