How to write a rule that represents a function

Now consider a different relation, between houses and the people who live in them. Yes, you can.

how to write a function rule from a word problem

We can also give an algebraic expression as the input to a function. A single input of cookie size will produce different outputs of chips.

A Your age and your weight on your birthday each year. B The name of a course and the number of students enrolled in that course. Among the most important algebraic relations are functions.

Is this relation a function?

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Representing Functions and Relations