Expression 2: "f" left parenthesis, "x" , right parenthesis equals "x" squared plus 3 "x" minus 38 left brace, "x" greater than 0 , right brace Has graph. To audio trace, press ALT+T.fx=x2+3x−38x>0
2
Expression 3: "f" left parenthesis, "x" , right parenthesis equals 2 Has graph. To audio trace, press ALT+T.fx=2