Question

log(x+28)>=3

HELP!?????

Answer 1

Log10(x+28)>=3
Log(x+28)>=3Log10(10)
Log(x+28)>=Log10(10³)
ОДЗ
x+28>0
x>-28
Решение
x+28>=3
x>=-25
x[-25;+беск)

Answer 2

опять неверно сказала

Answer 3

log3