Expression 5: "f" left parenthesis, "x" , right parenthesis equals 64 times "x" plus "c" times left parenthesis, 1 minus "b" , right parenthesis times "x"fx=64·x+c·1−b·x
5
Expression 6: "g" left parenthesis, "x" , right parenthesis equals "c" times "x"gx=c·x