Answer the following question based on the information given below.
For a real number x, let
f(x) = 1/(1 + x), if x is non-negative
= 1+ x, if x is negative
f n(x) = f(f n – 1(x)), n = 2, 3, ....
What is the value of the product, f(2)f2(2)f3(2)f4(2)f5(2)?