Предмет: Математика, автор: student365

При каких значениях x функция y=КореньИз 4x+1 принимает значения не меньше пяти?

Ответы

Автор ответа: NNNLLL54

Не меньше - это значит больше или равно.

$sqrt{4x+1} geq 5,; ; ; ; ODZ:; 4x+1 geq 0,; x geq -frac{1}{4}\\4x+1 geq 25\\4x geq 24\\x geq 6$

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