What Is A Function

The video introduces the concept of functions, explaining how they transform inputs into outputs using mathematical notation like f(x). It covers calculating function values, solving for unknowns, and the rules that define valid functions. The video also explains domains and ranges, and concludes with a preview of future topics such as composite and inverse functions.

What is the mathematical notation for the function described in the text?

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How do you calculate the value of f of 3 for the function f of x equals 5x minus 2?

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What are the two special rules that determine whether something is a function?

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What do the terms 'domain' and 'range' refer to in the context of functions?

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What is the output when the input is negative 4 for the function h?

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