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The domain and range of real function f defined by f (x) = √(x-1) is given by

(A) Domain = (1, ∞), Range = (0, ∞)

(B) Domain = [1, ∞), Range = (0, ∞)

(C) Domain = [1, ∞), Range = [0, ∞)

(D) Domain = [1, ∞), Range = [0, ∞)

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Answer is (C)

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