turkey-yks 2010 Q13

turkey-yks · Other · lys1-math Composite & Inverse Functions Recover a Function from a Composition or Functional Equation

$$f\left(\frac{x-1}{x+1}\right) = x^{2} - x + 2$$
Given this, what is the value of $f(3)$?
A) 5
B) 6
C) 7
D) 8
E) 11

$$f\left(\frac{x-1}{x+1}\right) = x^{2} - x + 2$$

Given this, what is the value of $f(3)$?

A) 5\\
B) 6\\
C) 7\\
D) 8\\
E) 11