Expression 3: "S" left parenthesis, left parenthesis, "x" minus .6 3 5 , right parenthesis times 2.5 plus .5 , right parenthesisSx−.635·2.5+.5
3
Expression 4: "S" left parenthesis, "x" , right parenthesis equals left brace, "x" less than 0 : 0 , "x" greater than 1 : 1 , 3 "x" squared minus 2 "x" cubed , right braceSx=x<0:0,x>1:1,3x2−2x3
4
Expression 5: "Q" left parenthesis, left parenthesis, "x" minus .6 3 5 , right parenthesis times 2.2 plus .5 , right parenthesisQx−.635·2.2+.5
5
Expression 6: "Q" left parenthesis, "x" , right parenthesis equals left brace, "x" less than 0 : 0 , "x" greater than 1 : 1 , "x" cubed ( 6 "x" squared minus 15 "x" plus 10. ) , right braceQx=x<0:0,x>1:1,x3(6x2−15x+10.)