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If the function f : R – {1, – 1}  A defined by f(x) = x2/1 - x2,  is surjective, then A is equal to :

(1)   R – {– 1}

(2)   R – [– 1, 0)

(3)   R – (– 1, 0)

(4)   [0, )

1 Answer

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Best answer

Correct option  (2) R – [– 1, 0)

Explanation:

Range of y is R – [–1, 0)

For surjective function codomain = Range 

∴  A is R – [–1, 0)

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