Question

Дано -5<x<1 оцінити 7x​

Answer 1

Ответ:

$- 5 < x < 1 \\ x = - 4 \\ x = - 3 \\ x = - 2 \\ x = - 1 \\ x = 0$

$7x = 7 \times ( - 4) = - 28 \\ 7x = 7 \times ( - 3) = - 21 \\ 7x = 7 \times ( - 2) = 14 \\ 7x = 7 \times ( - 1) = - 7 \\ 7x = 7 \times 0 = 0$