Find the domain and the range of the relation and determine whether it is a function.
​{(7​,3​),(-7​,-5​),(1​,-2​),(3​,- 9​)}

Respuesta :

Domains: 7, -7, 1, 3
Ranges: 3, -5, -2, -9
It is a function because all of the domains are different numbers. If they were the same then this would not be a function.