Which relation is a function?
A{(-2,10), (-6,10), (-2,3)}
B{(5,5), (5,9), (5,15)}
C{(0,3), (0,9), (12,-4)}
D{(-5,1), (4,9), (6,10)}
A{(-2,10), (-6,10), (-2,3)}
B{(5,5), (5,9), (5,15)}
C{(0,3), (0,9), (12,-4)}
D{(-5,1), (4,9), (6,10)}