Предмет: Математика, автор: BotanDeadPool

как найти область определения функции.объясните подробно...

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Автор ответа: кристинка26122000фду

D(y) : 2x+5 больше нуля
2х больше 5
х больше 5/2
х больше 2.5
D(y)=(2.5; + бесконечность)

Автор ответа: BotanDeadPool

не понятно....

Автор ответа: BotanDeadPool

а все

Автор ответа: BotanDeadPool

а куда x-3 девать

Автор ответа: кристинка26122000фду

А это уже не область определения

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