Возрастает или убывает функция у = 1/x на промежутках [1; + ∞), (0; 1], [-1; 0), (- ∞; 0)? б) При каком значении х функция у = 1/x не определена? в) Может ли функция y = 1/x принять значение О?

1) Ann's room is cleaned every weekend.
2) New houses are built in big cities.
3) Oranges and pears were bought in the shop.
4) The stamps were sold in the post office.
5) Hide-and-seek will be played in the park.
6) The cartoons will be shown in the evening
7) My sister will be taken in the...
8) The boy was visited by pupils last week.
9) Poems are translated at home by us.
10) The newspapers are brought by the postmen ...
11) My uncle's letter was written yesterday.
12) Two apples were given  to granddaughters by their granny.