Sagot :
being a relationship between certain x's and certain y's, is a relation. The domain is all the x-values, and the range is all the y-values.
that when the x w/c is domain is missing
by using his y range we can conclude the x
that when the x w/c is domain is missing
by using his y range we can conclude the x
they are not related because domain meaning teretory or your very own dimention and as for range meaning how far example when you shoot a man or a women by a gun that can kill 1 kilometer away from the suspect that's why they are not related to each other.