Introduzione alle Funzioni

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2wk/ Esercizi: http://www.khanacademy.org/exercises?exid=functions_1 Traduzione in Italiano del video Introduction to functions http://www.youtube.com/watch?v=VhokQhjl5t0 http://www.khanacademy.org/video/introduction-to-functions?playlist=Algebra Help us caption & translate this video! http://amara.org/v/B2wk/