Question: (a) For each of the following, explain if the function is injective, surjective, bijective or not defined. f: R+ + R, f(n) = -vn f:N

(a) For each of the following, explain if the function is

(a) For each of the following, explain if the function is injective, surjective, bijective or not defined. f: R+ + R, f(n) = -vn f:N Z, f(n) = n2 f:N + {2n|n e N}, f(n) =

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