What are the domain and range of the relation (–4, 2), (0, 1), (0, 5), (8, 10)?

A.
Domain: {2, 1, 5, 10}; Range: {–4, 0, 8}

B.
Domain: {–4, 2, 0, 1, 5, 8, 10}; Range: {–4, 2, 0, 1, 5, 8, 10}

C.
Domain: {–4, 0, 5, 10}; Range: {2, 1, 8}

D.
Domain: {–4, 0, 8}; Range: {2, 1, 5, 10}

Question

What are the domain and range of the relation (–4, 2), (0, 1), (0, 5), (8, 10)?
 
 A.
Domain: {2, 1, 5, 10}; Range: {–4, 0, 8}
 
 B.
Domain: {–4, 2, 0, 1, 5, 8, 10}; Range: {–4, 2, 0, 1, 5, 8, 10}
 
 C.
Domain: {–4, 0, 5, 10}; Range: {2, 1, 8}
 
 D.
Domain: {–4, 0, 8}; Range: {2, 1, 5, 10}

anonymous · Answer

The domain is the x axis, and the range is the y axis. If each point is written (x,y), then you can easily tell which is what. Therefore the answer is D.