Expression 2: "y" minus "a" equals StartFraction, "a" Over negative 5 , EndFraction left parenthesis, "x" , right parenthesis left brace, 0 less than "x" less than 5 , right bracey−a=a−5x0<x<5
2
Expression 3: "y" minus "a" equals StartFraction, "a" Over 5 , EndFraction left parenthesis, "x" , right parenthesis left brace, negative 5 less than "x" less than 0 , right bracey−a=a5x−5<x<0