Question

S the relation {(3, 5), (–4, 5), (–5, 0), (1, 1), (4, 0)} a function? explain. type your answer below

Answer 1

Yes it is a function because each domain has only one range means each x has only one y 
x                 y
3.................5
-4................5
-5................0
1................1
4.................0