Question: - B2 5. Given y : Z -> Z with y ( ) = 4 + 8 2 With justification, show that y (B) is

- B2 5. Given y : Z -> Z with y

( ) = 4 + 8 2 With justification, show that y

- B2 5. Given y : Z -> Z with y ( ) = 4 + 8 2 With justification, show that y (B) is not one-to-one, not onto and not bijective. [10 marks]

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