Question

which set of ordered pairs represents a function?
a:{(2,7), (2,8) , (3,8)}
b:{(3,2) , (3,3) , (3,4)}
c:{(4,1) ,(5,1),(4,4)}
d:{(5,6) , (8,6) , (9,6)

please help! ive been working nonstop for hours T_T

Answer 1

Answer:

Option b represent a function