July 2022 1 9 Report
Найти область определения функции
Даю 50 баллов!!!


a)
[tex]f(x) = \frac{7 + x}{3 + \sqrt{2 - x} } [/tex]
б)
[tex]y = - \frac{4}{ \sqrt{ {x}^{2} - 2x + 3 } } [/tex]
в)
[tex]g(x) = - \frac{2x}{ {x}^{2} + 4 } [/tex]
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