Expression 3: "f" left parenthesis, "x" , right parenthesis equals log Subscript, 4 , Baseline left parenthesis, negative "x" plus 8 , right parenthesisfx=log4−x+8
3
Expression 4: "f" left parenthesis, "x" , right parenthesis equals log Subscript, 4 , Baseline left parenthesis, negative 2 "x" plus 8 , right parenthesisfx=log4−2x+8
4
Expression 5: "f" left parenthesis, "x" , right parenthesis equals 2 plus log Subscript, 4 , Baseline left parenthesis, negative 2 "x" plus 8 , right parenthesisfx=2+log4−2x+8