### Home > A2C > Chapter 1 > Lesson 1.1.2 > Problem 1-18

1-18.

Carmichael made a function machine. The inner workings of the machine are visible in the diagram below. What will the output be in each of the following cases?

If

is dropped in? Substitute

for every (into).If

is dropped in? Substitute

for every in the expression.If

is dropped in?