Предмет: Математика, автор: meowmeowd521

Який з проміжків є розв'язком нерівності
12 + 3x >0​
а) (4;+∞)
б) (-4;+∞)
в) [-4;+∞)
г) (-∞;-4)
З РОЗВ'ЯЗКОМ!

Ответы

Автор ответа: sergeevaolga5
1

Ответ:

б)   (-4;+\infty)

Пошаговое объяснение:

12+3x > 0\\\\3x > -12\\\\x > -12:3\\\\x > -4\\\\x\in(-4;+\infty)

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