表达式9: "y" equals negative 6 quarters "x" plus 4 left brace, 0 less than "x" less than 4 , right brace left brace, 1.3 3 3 greater than "x" , right bracey=−64x+40<x<41.333>x
9
表达式10: "y" equals 2 left brace, negative 4 less than "x" less than 4 , right brace left brace, negative 1.3 3 greater than "x" , right bracey=2−4<x<4−1.33>x
10
表达式11: "y" equals negative 6 quarters "x" minus 4 left brace, negative 4 less than "x" less than 0 , right brace left brace, negative 2.6 6 7 greater than "x" , right bracey=−64x−4−4<x<0−2.667>x
11
表达式12: "y" equals 6 quarters "x" minus 4 left brace, 0 less than "x" less than 4 , right brace left brace, 1.3 3 3 greater than "x" , right bracey=64x−40<x<41.333>x
12
表达式13: "y" equals 6 quarters "x" plus 4 left brace, negative 4 less than "x" less than 0 , right brace left brace, negative 1.3 3 3 less than "x" , right bracey=64x+4−4<x<0−1.333<x
13
表达式14: "y" equals negative 6 quarters "x" minus 4 left brace, negative 4 less than "x" less than 0 , right brace left brace, negative 1.3 3 3 less than "x" , right bracey=−64x−4−4<x<0−1.333<x
14
表达式15: "y" equals 6 quarters "x" minus 4 left brace, 0 less than "x" less than 4 , right brace left brace, 2.6 6 7 less than "x" , right bracey=64x−40<x<42.667<x
15
表达式16: "y" equals negative 6 quarters "x" plus 4 left brace, 0 less than "x" less than 4 , right brace left brace, 2.6 6 7 less than "x" , right bracey=−64x+40<x<42.667<x
16
表达式17: "y" equals 2 left brace, negative 4 less than "x" less than 4 , right brace left brace, 1.3 3 less than "x" , right bracey=2−4<x<41.33<x
17
表达式18: "y" equals negative 2 left brace, negative 4 less than "x" less than 4 , right brace left brace, negative 1.3 3 greater than "x" , right bracey=−2−4<x<4−1.33>x
