Expression 3: "y" equals negative 2 "n" squared "x" plus 2 "n" left brace, StartFraction, 1 Over 2 "n" , EndFraction less than or equal to "x" less than or equal to StartFraction, 1 Over "n" , EndFraction , right bracey=−2n2x+2n12n≤x≤1n
3
Expression 4: "y" equals 0 left brace, StartFraction, 1 Over "n" , EndFraction less than or equal to "x" less than or equal to 1 , right bracey=01n≤x≤1