What are the domain and range of the function {(3, 1), (5, –1), (9, –1), (2, 7), (–4, 1)}?

A.
Domain: {3, 5, 9, 2, –4}; Range: {1, –1, 7}

B.
Domain: {3, 5, 9, 2 }; Range: {1, 7}

C.
Domain: {1, –1, 7}; Range: {3, 5, 9, 2, –4}

D.
Domain: {1, 7}; Range: {3, 5, 9, 2 }

Question

What are the domain and range of the function {(3, 1), (5, –1), (9, –1), (2, 7), (–4, 1)}?	
 
 A.
Domain: {3, 5, 9, 2, –4}; Range: {1, –1, 7}
 
 B.
Domain: {3, 5, 9, 2 }; Range: {1, 7}
 
 C.
Domain: {1, –1, 7}; Range: {3, 5, 9, 2, –4}
 
 D.
Domain: {1, 7}; Range: {3, 5, 9, 2 }

paki · Answer

i have  already explained this question to you yesterday....? remember...?

yanasidlinskiy · Answer

Domains are x and ranges are the y's

paki · Answer

i know @YanaSidlinskiy

yanasidlinskiy · Answer

Yea..I was just helping WassupJade

anonymous · Answer

A.?

paki · Answer

yup A...