### Home > AC > Chapter 13 > Lesson 13.IF2-S > Problem 6-33

6-33.

Lacey and Richens each have their own personal function machines. Lacey's, , squares the input and then subtracts one. Richen's function,

*, adds*

**.**

Write the equations that represent

and.Lacey and Richens decide to connect their two machines, so that Lacey's output becomes Richens' input. Eventually, what is the output if

is the initial input? What if the order of the machines was changed? Would it change the output? Justify your answer.

Try computing the result for

if the order is reversed.