A real-valued function f defined for nonzero real numbers satisties f(1/x)+1/x*f(-x) = 2. What is the value of f(2)?
If x = -2
f(-1/2) + -1/2 * f(2) = 2
If x = 1/2
f(2) + 2 * f(-1/2) = 2
2 * f(-1/2) - f(2) = 4
-f(2) - f(2) = 2
f(2) = -1
=^._.^=
