Unit 6, Lesson 4
Graphs of Functions
Accelerated 7
Preparation
Lesson Narrative
In this lesson, students learn the conventions of graphing the independent variable (input) on the horizontal axis and the dependent variable (output) on the vertical axis and that each coordinate point represents an input-output pair of the function.
By matching contexts and graphs and reading information about functions from graphs and tables, students become familiar with the different representations and draw connections between them (MP2). Students also look at what happens over intervals of input values and learn that graphs can be viewed as dynamic objects that tell stories. As students learn to interpret graphs in terms of a context and use them to answer questions, they learn an important skill in mathematical modeling (MP4).
- Identify the graph of an equation that represents a function, and explain (orally and in writing) the reasoning.
- Interpret (orally and in writing) a graph of temperature as a function of time, using language such as “input” and “output.”
- Interpret (orally and in writing) points on a graph, including a graph of a function and a graph that does not represent a function.
Let’s interpret graphs of functions.
Required Preparation
None