Y by PhantomR, Number1, DeepanshuPrasad, Amir Hossein, Adventure10, Mango247, and 2 other users
Let
be a function such that
![\[f(f(x))=x^2-x+1\]](//latex.artofproblemsolving.com/c/b/4/cb4fca1d2b85bda75b13f55f32e5a296af295dba.png)
for all real numbers
. Determine
.

![\[f(f(x))=x^2-x+1\]](http://latex.artofproblemsolving.com/c/b/4/cb4fca1d2b85bda75b13f55f32e5a296af295dba.png)
for all real numbers


Stay ahead of learning milestones! Enroll in a class over the summer!
Something appears to not have loaded correctly.