表达式15: "y" equals StartFraction, 4 Over negative 6 , EndFraction "x" minus 2.5 left brace, 0 less than "x" less than 6 , right bracey=4−6x−2.50<x<6
15
表达式16: "y" equals StartFraction, negative 6.5 Over 2 , EndFraction "x" plus 13 left brace, 4 less than "x" less than 6 , right bracey=−6.52x+134<x<6
16
Rays
17
表达式18: "y" equals StartFraction, negative 4 Over 15 , EndFraction "x" plus 1.6 left brace, negative 26 less than "x" less than negative 9 , right bracey=−415x+1.6−26<x<−9
18
表达式19: "y" equals StartFraction, 11 Over negative 21.5 , EndFraction "x" plus 2 left brace, negative 26 less than "x" less than negative 4 , right bracey=11−21.5x+2−26<x<−4
19
表达式20: "y" equals StartFraction, 15 Over negative 17 , EndFraction "x" plus 2 left brace, negative 19 less than "x" less than negative 2.5 , right bracey=15−17x+2−19<x<−2.5
20
表达式21: "y" equals StartFraction, 12.5 Over negative 5 , EndFraction "x" plus 2 left brace, negative 6.8 less than "x" less than negative 1.5 , right bracey=12.5−5x+2−6.8<x<−1.5
21
表达式22: "y" equals StartFraction, 15 Over negative 12 , EndFraction "x" plus 2 left brace, negative 13.6 less than "x" less than negative 2 , right bracey=15−12x+2−13.6<x<−2
22
表达式23: "y" equals StartFraction, 13 Over negative 1.5 , EndFraction "x" plus 2 left brace, negative 1.9 5 less than "x" less than negative 0.6 , right bracey=13−1.5x+2−1.95<x<−0.6
23
表达式24: "y" equals StartFraction, 4 Over 15 , EndFraction "x" plus 1.6 left brace, 9 less than "x" less than 26 , right bracey=415x+1.69<x<26
24
表达式25: "y" equals StartFraction, 11 Over 21.5 , EndFraction "x" plus 2 left brace, 4 less than "x" less than 26 , right bracey=1121.5x+24<x<26
25
表达式26: "y" equals StartFraction, 15 Over 17 , EndFraction "x" plus 2 left brace, 2.5 less than "x" less than 19 , right bracey=1517x+22.5<x<19
26
表达式27: "y" equals StartFraction, 12.5 Over 5 , EndFraction "x" plus 2 left brace, 1.5 less than "x" less than 6.8 , right bracey=12.55x+21.5<x<6.8
27
表达式28: "y" equals StartFraction, 15 Over 12 , EndFraction "x" plus 2 left brace, 2 less than "x" less than 13.6 , right bracey=1512x+22<x<13.6
28
表达式29: "y" equals StartFraction, 13 Over 1.5 , EndFraction "x" plus 2 left brace, 0.6 less than "x" less than 1.9 5 , right bracey=131.5x+20.6<x<1.95
