T(d) is a function that relates the number of tickets sold for a movie to the number of days since the movie was released. the
average rate of change in td) for the interval d = 4 and d = 10 is 0. which statement must be true?
the same number of tickets was sold on the fourth day and tenth day
no tickets were sold on the fourth day and tenth day
o fewer tickets were sold on the fourth day than on the tenth day.
more tickets were sold on the fourth day than on the tenth day.