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Relations and Functions | Algebra

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in this video we're going to focus on

relations and functions

so what is a relation

a relation is a set of pairs of input

and output values

here we have three ordered pairs

in the first relation on the left

the x value

is the input value

the y value is the output value

the x values is associated with the

domain of the relation the y values is

associated with

the range of the relation

so now let's focus on part a list the

domain and range of each relation

so let's start with the domain

so what we're going to do is we're going

to make a list of all of the x values

and i'm going to write it in ascendant

order


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