HELP PLS THIS IS DUE Is each of the following a function?
A (2, 1), (4,3), (6,5), (8, 7)
o Yes
O No
B (21), (4,3). (6,5), (2,7)
o Yes
O No
C (2, 1). (4,1). (6,5). (8,7)
o Yes
O No