Предмет: Алгебра, автор: Аноним

30 БАЛЛОВ, задание ниже

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Автор ответа: Annn1333

1

ОДЗ:

1. x^2+7 не равен 0

x^2 не равен -7

х не равен корень с -7

Так как кореня с -7 не существует, все значения х подходят

2. х^3 +1 не равен 0

х не равен -1

3. х^2-9 не равен 0

х^2 не равен 9

х не равен корень9

х не равен 3

4. модуль с х -5 не равен 0

х не равен 5

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