Lesson 11
Examining Domains and Ranges
 Let’s play with graphs, domains, and ranges in situations.
11.1: Notice and Wonder: A Wiggly Graph
What do you notice? What do you wonder?
11.2: Moving Weeds and a Ball
 Examine these graphs and describe a situation that could match the situation.
 For each situation, give an example of a value that could be:
 In the domain
 Not in the domain
 In the range
 Not in the range
11.3: Make It Realistic
 What is wrong with these graphs?

The graph relates the length of a side for a square and the area of the square.

The graph relates the number of students going on a field trip and the cost of the trip.

The graph represents Han’s height since he was 4 years old until now when he is 14.

 On each graph, draw a more realistic graph.