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Course: Algebra (all content) > Unit 7
Lesson 1: Evaluating functions- What is a function?
- Worked example: Evaluating functions from equation
- Evaluate functions
- Worked example: Evaluating functions from graph
- Evaluate functions from their graph
- Worked example: evaluating expressions with function notation
- Evaluate function expressions
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Worked example: Evaluating functions from equation
Learn how to evaluate f(x)=49-x² at x=5. Created by Sal Khan.
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Video transcript
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