The function f is defined for all positive integers n > 4 as f(n) = 3n 9 if n is odd and f(n) = 2n 7 if n is even. What is the value of the positive integer a?
(1) f(f(a)) = a
(2) f(f(f(a))) is odd.![]()
(1) f(f(a)) = a
(2) f(f(f(a))) is odd.