Expression 1: "f" left parenthesis, "x" , right parenthesis equals StartFraction, 1 Over 10 , EndFraction left parenthesis, "x" plus 3 , right parenthesis left parenthesis, "x" plus 1 , right parenthesis left parenthesis, "x" minus 1 , right parenthesisfx=110x+3x+1x−1
1
"x"x
"y" equals "f" left parenthesis, "x" , right parenthesisy=fx