Expression 4: "d" Subscript, "o" "t" 2 , Baseline left parenthesis, left parenthesis, "x" , "y" , right parenthesis minus left parenthesis, negative 1 , 0 , right parenthesis , right parenthesis equals 2 squared Has graph. To audio trace, press ALT+T.dot2x,y−−1,0=22
4
Expression 5: "d" Subscript, "o" "t" 2 , Baseline left parenthesis, left parenthesis, "x" , "y" , right parenthesis minus left parenthesis, 1 minus StartRoot, 2 , EndRoot , 0 , right parenthesis , right parenthesis equals 2 Has graph. To audio trace, press ALT+T.dot2x,y−1−2,0=2
5
(1,0,0) left parenthesis, 1 , 0 , right parenthesis Has graph. To audio trace, press ALT+T.1,0
Label:
6
Expression 7: negative 1 less than "x" less than 1 Has graph. To audio trace, press ALT+T.−1<x<1