Expression 2: "f" left parenthesis, "x" , right parenthesis equals StartFraction, "x" Over 4 , EndFraction Has graph. To audio trace, press ALT+T.fx=x4
2
Expression 3: "g" left parenthesis, "x" , right parenthesis equals StartRoot, 2 "x" minus 1 , EndRoot Has graph. To audio trace, press ALT+T.gx=2x−1