Day: 05.03.2022

1. ա) D(f)=R
   բ) D(f)=R
   գ) D(f)=R
   դ) D(f)=R
   ե) D(f)=R\{0}
   զ) D(f)=R\{1}
2. ա) D(f)=R
   բ) D(f)=R
   գ) D(f)=R
   դ) D(f)=(-∞;-1)∪(-1;+∞)
   ե) D(f)=(-∞;0)∪(0;+∞)
   զ) D(f)=R\{-2;2}
3. ա) D(f)=[1;+∞)
   բ) D(f)=[-1;+∞)
   գ) D(f)=[1/2;+∞)
   դ) D(f)=R\{-2;2}
   ե) D(f)=(-5/3;+∞)
   զ) D(f)=R\{-4}
4. ա) E(f)=[-2;2]
   բ) E(f)=[-10;2]
   գ) E(f)=[1;5]
   դ) E(f)=[-1;1]

Թեմա 4. «Հայկական մշակույթը Հելլենիզմի դարաշրջանում»՝
ա/ Հելլենիստական դարաշրջանը և Հայաստանը
բ/ Գիրը, Պատմագրությունը, Գրականությունը
գ/ Ժողովրդական բանահյուսությունը և Թատրոնը
դ/ Արվեստը /բանավոր, էջ 94-107, նաև այլ աղբյուրներ/.

The Internet is a very important thing in this modern time. The entire world is connected with one network and that is the internet. It has made human life very simple and easy. People can access many complex things easily with a few clicks. 
Advantages of the Internet: 
The biggest advantage of the internet is information. If you need to know anything you can search that online.
There are good articles, videos, and images on every single topic. So if you want to learn anything, the internet could be the best tool for you. Also it is the best way to contact anyone. One can interact with his friends and families on social media platforms such as Instagram or Telegram. 
Disadvantages of the Internet:
There are many disadvantages to the internet too. It gets addicting for many people. Especially the youth get too much addicted to social media and online games. That could be harmful to their health and education. In my opinion we need to use the internet on a specific limit.