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Select which of the following biconditionals is true. (Check all that apply.) (You must provide an...

Select which of the following biconditionals is true. (Check all that apply.)

(You must provide an answer before moving to the next part.)

Check All That Apply

  • If n is even, then 7n + 4 is even; if 7n + 4 is even, then n is even.

  • If n is odd, then 7n + 4 is odd; if 7n + 4 is odd, then n is odd.

  • If n is even, then 7n + 4 is even; if 7n + 4 is odd, then n is odd.

  • If n is odd, then 7n + 4 is even; if 7n + 4 is even, then n is odd.

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