Discount function
A Discount function is a function used in economics. The script of  contained some additional questions and answers that could be used in the skill dome scene, including one that dealt with discount functions. The question-answer pair was as such:
Q: A discount function with  for all periods, and an additional scalar discount for the present, is called what?
A: 
Neither the question nor the answer appear to have made it audibly into the final scene. Another proposed question dealt with a similar topic, that of a Hyperbolic discounter.

External link

Unused production material