Expression 4: "S" left parenthesis, "x" , right parenthesis equals 3 "x" squared minus 2 "x" cubed left brace, 0 less than or equal to "x" less than or equal to 1 , right braceSx=3x2−2x30≤x≤1
4
Expression 5: .5 minus .5cosine left parenthesis, pi "x" , right parenthesis left brace, 0 less than or equal to "x" less than or equal to 1 , right brace.5−.5cosπx0≤x≤1
5
Expression 6: "x" equals 2 left parenthesis, "S" left parenthesis, left parenthesis, StartFraction, "y" Over 2 , EndFraction plus .5 , right parenthesis , right parenthesis minus .5 , right parenthesisx=2Sy2+.5−.5