Let's get a little more practice with working "backwards" on taxes. We'll keep making all the same assumptions that we started with in the Pre Class Activity (assuming they fall into all of our assumptions such as single, no earned income credit, etc.). From the In Class Activity, we were working on creating a function for calculating taxes. Let's revisit some of that work and take it a bit further. 5. Let "x" be our taxable income. Suppose we know that "x" is between $39,475 and $84,200