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Given the function f defined recursively as follows:
f(n) 1+f(n 1) f(n-2) 2 f(n-1), n = 3, 4, ...
with f(1) = 1, f(2) = -1. Find f(5).
A. 2
B. 1
C. -1
D. None of the other choices is correct
E. 5
FUO.sh
sh the exam.