Question

                       Решите систему неравенств                      x^2≤ 4                                                                                                                                 x+3≥0

Answer 1

{x²≤4
{x +3≥0

{-√4 ≤x≤√4
{x≥-3

{-2≤x≤2
{x≥-3

-2≤x≤2

Ответ: х∈[-2;2]