Expression 2: "f" left parenthesis, "x" , right parenthesis equals StartFraction, 1 Over StartRoot, 2 pi , EndRoot "s" , EndFraction exponent left parenthesis, negative StartFraction, left parenthesis, "x" minus "m" , right parenthesis squared Over left parenthesis, 2 "s" squared , right parenthesis , EndFraction , right parenthesis Has graph. To audio trace, press ALT+T.fx=12πsexp−x−m22s2