Which set of ordered pairs could be generated by an exponential function?
, (0, 0), , (2, 1)
(–1, –1), (0, 0), (1, 1), (2, 8)
, (0, 1), (1, 2), (2, 4)
(–1, 1), (0, 0), (1, 1), (2, 4)