Question: Prove or disprove without using the graph of the function if the following function f: Z Z is bijective or not. f(n) = 2 3n

Prove or disprove without using the graph of the function if the following function f: Z Z is bijective or not.

  1. f(n) = 2 3n is one-to-one.
  2. f(n) = 2 3n is onto.

Find a counterexample or prove the statements

Please show work.

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