Найдите область определения функции заданой формулой1) у=2х-1 2)у=х в квадрате

Ничего не перепутал тут англ язык а не алгебра или математика

Great britain is situated on the islands. it is washed by seas from all the sides. that’s why the climate and the nature of great britain are very specific. it is not very cold in winter and never very hot in summer. there is no ice on the lakes and rivers in winter. it seldom snows. it rains very often in all the seasons. the weather changes very often. all this is due to the influence of the gulf stream. so, we may say that the british climate has three main features: it is mild, humid and changeable. this humid and mild climate is good for plants. trees and flowers begin to blossom very early in spring.

The population of the earth grows uncontrolled rate, and the number of animals decreased dramatically. under the threat of becoming extinct 21% of mammals, 30% of amphibians, 12% of birds, 17% of sharks and 27% of the corals. we lose biodiversity at an unprecedented pace in the history. the reasons are the same: environmental degradation, deforestation of the amazon, the decrease in volumes of fresh water in lakes, as well as the destruction of coral reef ecosystems. in the red book are: long-eared jerboa, japanese hare  , the spanish lynx, orangutan, chinese lizard, pygmy hippopotamus, elephant turtle, owl parrot and others. take care of endangered animals!