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### Course: Algebra (all content) > Unit 7

Lesson 7: Recognizing functions- Recognizing functions from graph
- Does a vertical line represent a function?
- Recognize functions from graphs
- Recognizing functions from table
- Recognize functions from tables
- Recognizing functions from verbal description
- Recognizing functions from verbal description word problem

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# Recognizing functions from graph

Checking whether a given set of points can represent a function. For the set to represent a function, each domain element must have one corresponding range element at most. Created by Sal Khan and Monterey Institute for Technology and Education.

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