ɐ wˈaɪdspɹɛd tʃˈɔɪs wˌɪtʃ dʌznˌɑːt hæv ðɪs pɹˈɑːpɚɾi ɪz ðə fˈʌŋkʃən wɪð sˌʌm pɚɹˈæmɪɾɚ wˌɪtʃ fɔːɹ ænd ɪz vˈɛɹi klˈoʊs tuː .
A widespread choice which does not have this property is the function  (with some parameter ) which for  and  is very close to .