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Let f : R → R be defined by f (x) = 1/x ∀ x ∈ R. Then f is 

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Let f : R → R be defined by f (x) = 1/x ∀ x ∈ R. Then f is 

(A) one-one 

(B) onto 

(C) bijective 

(D) f is not defined

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(D) f is not defined

Thus, f is not defined.

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