Problem of the Day

Chapter 13, Lesson 5

Eduardo is playing a computer game in which he has to swap adjacent pieces of the same colored shape to make groups of 3 or more.

The scoring system for this game is that a group of 3 earns 6 points, a group of 4 earns 8 points, a group of 5 earns 10 points, and a group of 6 earns 12 points.

a. Write a relation in the form of a set of ordered pairs to model the scoring system.
b. What are the domain and range of this relation?
c. If g represents the number of shapes in a group and p represents the number of points earned for that group, write a rule that relates p to g.