What are the domain and range of the relation R: {(-4, -5), (-1, -1), (0, 6), (7, 9)}?
A) Domain: {-5, -1, 6, 9}, Range: {-4, -1, 0, 7}
B) Domain: {all real numbers}, Range: {all real numbers}
C) Domain: {-4, -1, 0, 7}, Range: {-5, -1, 6, 9}
D) Domain: {(-4, -5), (-1, -1), (0, 6), (7, 9)}, Range: { }

Question

What are the domain and range of the relation R: {(-4, -5), (-1, -1), (0, 6), (7, 9)}? 
A) Domain: {-5, -1, 6, 9}, Range: {-4, -1, 0, 7}
B) Domain: {all real numbers}, Range: {all real numbers}
C) Domain: {-4, -1, 0, 7}, Range: {-5, -1, 6, 9}
D) Domain: {(-4, -5), (-1, -1), (0, 6), (7, 9)}, Range: { }

anonymous · Answer

Domain=x rang=Y

lgbasallote · Answer

Hint

when you have something like {(0,1), (2,3), (4,5), (6,7)}

the domain would be {0,2,4,6}
and the range would be {1,3,5,7}

does that help?

anonymous · Answer

sooo the domain is all the X's and the range is all the Y's lol...

anonymous · Answer

ohhh wow, i totally know how to do this... haha my  brain isnt working lol thanks everyone!!!

lgbasallote · Answer

all a brain needs when it's not working is a little push and the gears start rolling again