# How do you find the domain of the following relation R (3, -2), (1,2), (-1, -4), (-1, 2)?

Apr 4, 2017

Domain = {3, 1, -1}

#### Explanation:

by using arrow graph, the values at left hand side are domain and right hand side are codomain

$3 \to - 2$
$1 \to 2$
$- 1 \to - 4$
$- 1 \to 2$

Domain = {3, 1, -1}