The domain of the function f x -log e x 2- x -1-sin- x -1 isA- -2-1B- -2- - 1- -D- None of these

The correct option is C (1, ∞) We must have x 1 ≥ 0. Note that (x^2+x+1) is always positive combining , the domain is [1, ∞). ...

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$The domain of the function f (x) = l o g_{e} (x^{2} + x + 1) + s i n \sqrt{x - 1} i s$

(-2,1)

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$(- 2, \infty)$

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$(1, \infty)$

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None of these

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$T h e d o m a i n o f t h e f u n c t i o n f (x) = l o g_{e} (x^{2} + x + 1) + s i n \sqrt{x - 1} i s$

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