What is a function

[size=150][size=200]Alternative videos to explain what is a function ?[br][br]What is a Function?[br][url=https://youtu.be/22A4KMU7-uo]https://youtu.be/22A4KMU7-uo[/url] (3m59s)[br][br]Meat-A-Morphosis: An Introduction to Functions[br][url=https://youtu.be/VUTXsPFx-qQ]https://youtu.be/VUTXsPFx-qQ[/url] (7m45s)[br][br]Algebra Basics: What Are Functions? - Math Antics[br][url=https://youtu.be/52tpYl2tTqk]https://youtu.be/52tpYl2tTqk[/url] (11m33s)[br][br][br][br][/size][/size]
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