HELP.!
Which relation is also a function?Select one of the options below as your answer: A. {(1.5, 4) (2, 4) (2.5, 5) (3, 5) (2, 6)} B. {(-1, 3) (-1, 2) (-1, 4) (-1, 5) (-1, 6)} C. {(-2, 0) (1, 3) (-2, 1) (1, -3) (-2, 6)} D. {(1, 7) (2, 3) (4, 10) (6, 12) (8, 15)}

Question

HELP.! 
Which relation is also a function?Select one of the options below as your answer: A. {(1.5, 4) (2, 4) (2.5, 5) (3, 5) (2, 6)}  B. {(-1, 3) (-1, 2) (-1, 4) (-1, 5) (-1, 6)} C. {(-2, 0) (1, 3) (-2, 1) (1, -3) (-2, 6)} D. {(1, 7) (2, 3) (4, 10) (6, 12) (8, 15)}

hba · Answer

answer is d because function has a diff range but can have same domain