Question

Which is a function?

O {(-3,5), (1,4), (3,7), (1,7), (4,9)}
O {(7.9), (13,-2), (8,4), (7,0), (4,12)}
O {(2,1), (-1,7), (6,-2), (10,3), (-6,0)}
O {(-2,4), (7,4), (-6,8), (-2,8), (1,1)

Answer 1

{(7.9), (13,-2), (8,4), (7,0), (4,12)} is a function

Explanation:

Answer 2

50000000000000000000000000000000000000000000