Question

. Is the relation {(3, 5), (–4, 5), (–5, 0), (1, 1), (4, 0)} a function? Explain. Type your answer below.

Answer 1

what determines a relation being a function?

Answer 2

for any fuction it's like a relation of father and son.
for every son, there is a father.
and there may be a father who does not have a son.
so, left hand side is referred as son and right hand side is referred as father.

Answer 3

if any relation satisfies the above conditions then it is called as a function.