A function k whose domain is the set of positive integers is defined as k(1)=4 and k(n)=k(n-1)-2. Function k was evaluated for several numbers. Select each statement below that is true. A - k(0)=−2   B - k(2)=2   C - k(3)=0   D - k(6)=3   E - k(−1)=−4

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