Expression 2: "X" equals left bracket, negative 10 , negative 9 , negative 8 , ... , 10 , right bracket equals a list of numbers. 21 itemsX=−10,−9,−8,...,10
equals=
negative 10−10
negative 9−9
negative 8−8
negative 7−7
negative 6−6
negative 5−5
negative 4−4
negative 3−3
negative 2−2
negative 1−1
00
11
22
33
44
21 element list
2
Hidden Label: left parenthesis, "X" , 1 , right parenthesis Has graph. To audio trace, press ALT+T.X,1