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Exploring Other Function Models

Estimated Time: 60 - 75 minutes

Lesson Objectives:

  • Students will review behaviors of linear, exponential and quadratic functions to describe when these functions may be used to model a data set.
  • Students will be introduced to other function families that may be used to model a data set.
  • Students will apply understanding of residuals and functional behavior to determine whether a function model is the best fit for a data set. 

Resources for this lesson:

Before you begin, download your Algebra II Journal opens in new window for Exploring Other Function Models You will be completing activities in the journal throughout this lesson.

Visit this section on each page to access information about key terms and other resources to help facilitate the lesson.

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Key Common Core State Standards:

S.ID.6 Represent data on two quantitative variables on a scatter plot and describe how the variables are related.

  1. Fit a function to the data; use functions fitted to data to solve problems in the context of the data.

Supporting Common Core State Standards:

F.IF.4 For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship. 

F.IF.7 Graph functions expressed symbolically and show key features of the graph, by hand in simple cases and using technology for more complicated cases.

Standards for Mathematical Practices:

MP.1 Make sense of problems and persevere in solving them.
MP.2 Reason abstractly and quantitatively.
MP.3 Construct viable arguments and critique the reasoning of others.
MP.4 Model with mathematics.
MP.5 Use appropriate tools strategically.
MP.6 Attend to precision.

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