Автор - anastasiabezruchko20

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Ответ

Автор - FilNez

a) f(x) = -1

 frac{ {x}^{2} + 1 }{x - 1}  =  frac{1 + 1}{ - 1 - 1}  =  frac{2}{ - 2}  =  - 1

б) f(x) = 8

4 sqrt{2x + 3}  = 4 sqrt{0.5 times 2 + 3}  = 4 sqrt{4}  = 8

в) f(x) = 1

 {e}^{3x + 6}  =  {e}^{3 times ( - 2) + 6}  =  {e}^{0}  = 1

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