Expression 3: 1 left brace, negative 2 less than "x" less than negative 1 , right brace Has graph. To audio trace, press ALT+T.1−2<x<−1
3
Hidden Label: left parenthesis, StartFraction, left parenthesis, "a" minus 19 , right parenthesis Over 9 , EndFraction , 1 , right parenthesis equals left parenthesis, negative 2 , 1 , right parenthesis Has graph. To audio trace, press ALT+T.a−199,1
Label
equals=
left parenthesis, negative 2 , 1 , right parenthesis−2,1