We often use functions to model or represent situations and relationships. These representations can be as equations, graphs, tables, or even verbal descriptions. What does it mean to "represent" something? In what other situations have you heard that term used, and how was its meaning in those situations similar to its usage in algebra?

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?