# Answer to Question #6371 in Trigonometry for Kaci

Question #6371

Determine the domain and the range of the relation

{(2,0),(30,-5),(34,0),(2,3),(54,3)}

{(2,0),(30,-5),(34,0),(2,3),(54,3)}

Expert's answer

The domain of relation r is D = {2, 30, 34, 54}

because for each element x

from D there exists at least one element y such that

(x,y) belongs to

r.

The range is R = {-5, 0, 3} because for each element y from R there exists

at least

one element x from D such that (x,y) belongs to r.

because for each element x

from D there exists at least one element y such that

(x,y) belongs to

r.

The range is R = {-5, 0, 3} because for each element y from R there exists

at least

one element x from D such that (x,y) belongs to r.

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