Let N be the set of natural numbers and the function f : N → N be d – InterviewSolution

1.	Let N be the set of natural numbers and the function f : N → N be defined by f (n) = 2n + 3 ∀ n ∈ N. Then f is(A) surjective (B) injective(C) bijective (D) none of these
Answer» (B) is the correct option.

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