In this lesson, you learned how to:
- Describe the “domain” and “range” of a function.
- Determine a reasonable domain and range for the function when given a description of a function in a situation.
Here are the activities that helped you reach those goals:
- 4.12.1: Determining Reasonable Inputs and Outputs
- In this activity, you worked to decide if inputs and outputs were reasonable in functions given the context of a situation.
- 4.12.2: Domain: The Input of a Function
- In this activity, you determined which inputs are possible and which are impossible through a card sort activity. You noticed the reasonableness of an input depends on the situation’s context.
- 4.12.2: Self Check
- 4.12.2: Additional Resources
- 4.12.3: Range: The Output of a Function
- In this activity, you identified possible outputs of a function to make the range. You also identified input-output pairs from graphs.
- 4.12.3: Self Check
- 4.12.3: Additional Resources
- 4.12.4: Using Graphs to Determine the Domain of a Function
- In this activity, you explored what happens when an input gives an undefined output.
- 4.12.5: Using Functions to Answer-Real World Questions
- In this activity, you answered real-world questions by describing the elements of the domain and range of a given situation.
After these activities, you completed the following practice:
- 4.12.6: Practice
Checking In
On a scale of 1 to 5, how confident do you feel about the learning goals of this lesson?
Nice reflection! You learn more when you take the time to reflect on your thinking.