表达式8: "y" equals StartFraction, 5 Over negative "x" plus 5 , EndFraction minus 5 left brace, 0 less than or equal to "x" less than or equal to 4 , right bracey=5−x+5−50≤x≤4
8
Eyes
对学生隐藏该文件夹。
9
表达式10: "y" equals negative StartRoot, 4 minus 2 "x" , EndRoot plus 2 left brace, 1 less than or equal to "x" less than or equal to 3 , right bracey=−4−2x+21≤x≤3
10
表达式11: "y" equals negative StartRoot, 4 plus 2 "x" , EndRoot plus 2 left brace, negative 3 less than or equal to "x" less than or equal to negative 1 , right bracey=−4+2x+2−3≤x≤−1
11
Whiskers
对学生隐藏该文件夹。
12
表达式13: "y" equals 0.1 "x" squared minus 2 left brace, negative 5 less than or equal to "x" less than or equal to 5 , right bracey=0.1x2−2−5≤x≤5
13
表达式14: "y" equals negative 0.2 5 StartAbsoluteValue, "x" , EndAbsoluteValue minus 2 left brace, negative 5 less than or equal to "x" less than or equal to 5 , right bracey=−0.25x−2−5≤x≤5
14
表达式15: "y" equals 0.0 3 "x" squared minus 2 left brace, negative 5 less than or equal to "x" less than or equal to 5 , right bracey=0.03x2−2−5≤x≤5
