### Home > A2C > Chapter 7 > Lesson 7.2.3 > Problem 7-136

7-136.

16

Substitute the output for *g*(2) into *f*(*x*).

20,736

What happens to the original input when the two functions are inverses?

7-136.

16

Substitute the output for *g*(2) into *f*(*x*).

20,736

What happens to the original input when the two functions are inverses?