Предмет: Алгебра, автор: davorska01

При яких значеннях змінної вираз має зміст
7x²-x+2​

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Ответы

Автор ответа: NNNLLL54
1

Ответ:

  Выражение   7x^2-x+2  имеет смысл при любых значениях

переменной , то есть при   \bf x\in (-\infty ;+\infty \, )  .

Выражение   \dfrac{9x-3}{7}  имеет смысл при любых значениях

переменной , то есть при   \bf x\in (-\infty ;+\infty \, )  .

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