Question

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.

Answer 1