If A(k)=(2k+1)^K, and k=0, what is the value of A(A(A(k)))?
Pick
A) 343  B) 199  C) 121  D) 69  E) 249
A(A(A(0)))=A(A(1))=A(3)=(6+1)^3=343.   Thus, the answer is 343.
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If A(k)=(2k+1)^K, and k=0, what is the value of A(A(A(k)))?