Recognizing Functions: Ordered Pairs, Mapping Diagrams, Tables, and Graphs

This lesson teaches how to recognize functions by examining ordered pairs, mapping diagrams, tables, and graphs. It explains the concepts of domain and range, and how to differentiate between relations and functions. The video uses examples to illustrate these concepts, including a practical scenario involving a summer job to demonstrate how functions work in real life. Common misunderstandings about functions are also addressed.

Explain the difference between domain and range.

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What is the definition of a relation in mathematics?

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How can you represent a relation using a mapping diagram?

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Describe a discrete graph and how it differs from a continuous graph.

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What characterizes a function in terms of input and output?

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What common misunderstanding do students have regarding functions?

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In the context of a summer job, how do you determine the domain and range?

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