### Home > CALC > Chapter Ch2 > Lesson 2.2.1 > Problem 2-54

2-54.

If

, find: Homework Help ✎ *f*^{−1}(*x*)*f*(*f*^{−1}(*x*))*f*^{−1}(*f*(*x*))

Now switch the *x* and *y*, and solve for *y*.

Regarding parts (b) and (c), read the first sentence of the Math Note.