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Identity function

math Maturity 11-13

Some things stay the same.

Function-x.svg
Function-x.svg
You can give it a number. It gives that same number back. It does not change anything. This helps us see what stays the same. It is a very simple rule. Can you think of other things that stay the same?

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Identity (mathematics) Constant function Identity matrix Identity element

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Simpler topics to build understanding

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📚 Content adapted from Wikipedia | Readability: FK 10.0 | Vital Level 5