Expression 4: negative "f" left parenthesis, "x" , right parenthesis Has graph. To audio trace, press ALT+T.−fx
4
Expression 5: "x" equals 5 StartRoot, 3 , EndRoot left brace, negative 5 less than "y" less than 5 , right brace Has graph. To audio trace, press ALT+T.x=53−5<y<5