Expression 3: "g" left parenthesis, "x" , right parenthesis equals StartFraction, log left parenthesis, "x" plus 4 , right parenthesis Over log 2 , EndFractiongx=logx+4log2
3
Expression 4: "f" left parenthesis, "y" , right parenthesis equals 2 Superscript, "y" , Baseline plus 4fy=2y+4
