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, 0, 5, 10}; Range: {2, 1, 8}

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

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

mertsj · Answer

The domain is the set of x values and the range is the set of y values.  What are the x values of the ordered pairs you were given?