Expression 8: 1 minus "x" Has graph. To audio trace, press ALT+T.1−x
8
Expression 9: "s" equals left brace, "w" greater than 0 : 1 , negative 1 , right brace equals 1s=w>0:1,−1
equals=
11
9
Expression 10: "a" "x" left brace, "x" greater than or equal to 0 , right brace Has graph. To audio trace, press ALT+T.axx≥0
10
Expression 11: StartFraction, 1 Over "a" , EndFraction left parenthesis, "x" minus 1 , right parenthesis plus 1 left brace, "x" less than or equal to 1 , right brace Has graph. To audio trace, press ALT+T.1ax−1+1x≤1
11
Expression 12: negative StartFraction, 1 Over "a" , EndFraction "x" Has graph. To audio trace, press ALT+T.−1ax
12
Expression 13: negative "a" left parenthesis, "x" minus 1 , right parenthesis plus 1 Has graph. To audio trace, press ALT+T.−ax−1+1