### Home > INT3 > Chapter 6 > Lesson 6.3.1 > Problem6-77

6-77.

What is the inverse of $f(x) = -x + 6?$ Justify your answer.

Switch $x$ and $f(x)$, and solve for $f(x)$.
Remember to justify your answer. Does $f^{-1}(f(x)) = x?$ Does $f(f^{-1}(x))=x?$