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Lesson Plan

Given a graph of a function, define its domain and range and display some of its values in a table

teaches Common Core State Standards CCSS.Math.Content.HSF-IF.A.1
teaches Common Core State Standards CCSS.Math.Content.HSF-IF.B.5
teaches Common Core State Standards CCSS.Math.Content.HSN-Q.A.1
teaches Common Core State Standards CCSS.Math.Practice.MP2
teaches Common Core State Standards CCSS.Math.Practice.MP4
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Big Ideas: The input and output values can be organized as ordered pairs, in a table, or as sets of the domain and a range. A graph can provide quantitative information in a contextual situation. Students will synthesize their understanding of graphs with their understanding of functions in this lesson. Students will identify information given graphs of linear functions in real-world situations. The task will model a real-world situation where students are provided a graph of a function. The domain and range of the graph will be determined in context of the situation. The lesson builds towards writing constraints. Functions will be a fundamental concept in algebra and future high school math courses. NOTE: Function notation is addressed in later lessons. Vocabulary: relation, function, input, output, compound inequality Special Materials: graph paper
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