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## Homework Statement

Suppose f is the function defined by f(x) = l x-1 l Sketch the graph of y = f(f(x))

## Homework Equations

## The Attempt at a Solution

It's not so much sketching the graph that is the problem as much as it is figuring out how to set up the equations. How do I put an absolute value into an equation that already has one? I sketched a table so that I had x and y values of the original function, can that help me at all?