Expression 2: "g" left parenthesis, "x" , right parenthesis equals StartFraction, "d" Over "d" "x" , EndFraction left parenthesis, "f" left parenthesis, "x" , right parenthesis , right parenthesisgx=ddxfx
2
Expression 3: "y" equals "g" left parenthesis, 1 , right parenthesis left parenthesis, "x" minus 1 , right parenthesis plus "f" left parenthesis, 1 , right parenthesis left brace, "x" greater than 0 , right brace left brace, "x" less than 3 , right bracey=g1x−1+f1x>0x<3