# What is the domain of #{(1,2),(2,6),(3,5),(4,6),(5,2)}#?

##### 2 Answers

Sep 9, 2015

Domain is

#### Explanation:

For a collection of discrete pairs

- The Domain is the collection of
#color(red)(x)# values - The Range is the collection of
#color(blue)(f(x))# values

Sep 9, 2015

The domain is {1,2,3,4,5}

#### Explanation:

The domain of a relation or a function is the set of all first elements in an ordered pair that is in the function.

With the usual naming of pairs as

In notation, the domain of a relation or function