Expression 2: "g" left parenthesis, "x" , right parenthesis equals 2.2 5 times left parenthesis, "x" plus 1 , right parenthesis plus 4 left brace, "x" less than negative 1 , right bracegx=2.25·x+1+4x<−1
2
Expression 3: "h" left parenthesis, "x" , right parenthesis equals negative 0.7 5 left parenthesis, "x" minus 1 , right parenthesis plus 4.5 left brace, "x" greater than 1 , right bracehx=−0.75x−1+4.5x>1