Expression 2: "y" equals "x" minus 1 left brace, 2 less than or equal to "x" less than or equal to 4 , right bracey=x−12≤x≤4
2
Expression 3: StartFraction, 7 Over 27 , EndFraction "x" cubed minus 2 ninths "x" squared minus 11 ninths "x" plus StartFraction, 61 Over 27 , EndFraction left brace, negative 1 less than or equal to "x" less than or equal to 2 , right brace727x3−29x2−119x+6127−1≤x≤2