Expressão 4: "x" equals "a" left brace, 0 less than "y" less than or equal to "f" left parenthesis, "x" , right parenthesis , right bracex=a0<y≤fx
4
Expressão 5: "x" equals negative "a" left brace, 0 less than "y" less than or equal to "f" left parenthesis, "x" , right parenthesis , right bracex=−a0<y≤fx
5
Expressão 6: 0 less than "y" less than "f" left parenthesis, "a" , right parenthesis left brace, negative "a" less than "x" less than "a" , right brace0<y<fa−a<x<a
6
Expressão 7: "b" equals 0.5 4 3 9 1b=0.54391
negative 10−10
1010
7
Expressão 8: 0 less than "y" less than or equal to "f" left parenthesis, "b" , right parenthesis left brace, negative "b" less than "x" less than "b" , right brace0<y≤fb−b<x<b
