Предмет: Математика, автор: artemy51

найдите область определения функции y=(2x+2)/(2x-1)​


artemy51: найдите область значений функции f(x)=1-3x-4x^2​
artemy51: плиз
pushpull: это парабола ветвями вниз по формуле для расчета вершины находится у максимальное x=-b/2a = -3/8, y(-3/8) = 25/16 , ответ y <= 25/16

Ответы

Автор ответа: pushpull
0

Ответ:

Пошаговое объяснение:

ООФ условие знаменатель не равен 0

2х -1 ≠0

2х ≠ 1

х ≠ 0,5

ООФ

х ∈ R : x ≠ 0.5

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ПЕРЕССКАЗ НЕ КРАТКИЙ The UK is separated from the continent by the English Channel and the Strait of Dover. Once the British Isles used to be a part of the continent. The nearest point to Europe is the Strait of Dover.
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Everyone in the UK speaks English but they all speak it differently. A Scottish person has to listen carefully if he wants to understand a Londoner or a Welsh person.
As you know, the flag of the United Kingdom is known as the Union Jack. It is made up of three crosses: the cross of St. George (the patron saint of England), the cross of St. An­drew (the patron saint of Scotland) and the cross of St. Pat­rick (the patron saint of Ireland).