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Are the following functions invertible i...

Are the following functions invertible in their respective domains ? If so, find the inverse in each case :
(i) `f(x) = -(1)/(3) x + 4` (ii) `f(x) = (x - 1)/(x + 1)`(iii) `f(x) = sqrt(1 - x^(2)), 0 le x le 1`.

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MODERN PUBLICATION-RELATIONS AND FUNCTIONS-Exercise 2(c )
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  11. Find the periods of the following functions, if periodic : (i) | cos x...

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  19. Are the following functions invertible in their respective domains ? I...

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  20. Let f: R->R be defined by f(x)=3x-7 . Show that f is invertible and he...

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