Предмет: Математика, автор: korolvana234

помогите пожалуйста??​

Приложения:

Ответы

Автор ответа: saakanalla2
1

Ответ:

5x+7/x^2-4

5x+7

X^2-4

[-2;2] - область определения

Приложения:
korolvana234: спасибо
Автор ответа: klimsamgin923
2

Ответ:

х^2-4≠0

х≠2

(-бесконечности;- 2) (-2; 2) (2;бесконечности)

korolvana234: Дякую друже
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