The function f satisfies
\(f(\sqrt{x + 1}) = \frac{1}{x}\)
for all \(x\neq 0.\) Find \(f(2)\).
f ( √ [ x + 1) ) = 1 / x
f(2) implies that
2 = √ [x + 1 ] square both sides
4 = x + 1 subtract 1 from both sides
3 = x
So
f(2) = 1 / 3
Thank you CPhill!
+1207 
