September's "Problem of the Month"

College Calculus

Student's Name:  __________________________________________

Date Due:  Friday September 29, 2017
Remember: You must submit your solution on THIS printed page.

The Final Number

In one of the empty cells on the grid below a number should be written in order to complete the pattern.
What number is it and in what cell should it be written on?
You must provide a simple written explanation of your thought process / reasoning beside the grid.

Written Explanation: