Найти область определения функции:
 у=3(х-1) в минус 3 степени.
 

Помогите все способы перепробовал,но никак не получается:( 

Помогите пожалуйста сделать два задания.

Выбирите правильное слово.

1. I 've got a lot of maps because I like Geography/ Maths

2.I ' ve got a lot of pencils and paints because I like Physics/Art

3. I've got a real  piano and paints because I like Biology/ Music.

4. I' ve got skis today because we have got PE/ Literature in the morning.

5. I ' ve got a computer because I like Information Technology/ Chemistry

6. I ' ve got a lot of books at home because I like Music/Literature.

7. I ' ve got white mice because  I like Biology/ Mathematiks

Закончите предложения.

1. It's a pity I am not good at_______________.But I am good at ___________.

2.____________ is difficult for me.

3._____________ is easy  for me as one, two,three.

4.______________and____________are my favorite subjects.