Without checking your notes, please indicate:

• 1) The initial equation that starts our problem
• 2) A description of what the equation explains/calculates/describes
• 3) The "cross-over" term/substitution that allows us to start writing the differential equation
• 4) The final term for the FIRST derivation you are attempting

For every item you can't name or don't know, please substitute: "I understand that there is absolutely NO CHANCE for me to turn this assignment in late"