If y = 9x − 7, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?
{(0, −7), (1, 2), (−1, −16)}
{(−7, 0), (2, 1), (−16, −1)}
{(1, 9), (2, 7), (3, 16)}
{(7, 9), (8, 10), (9, 11)}

Data for the height of a model rocket launch in the air over time are shown in the table. darryl predicted that the height of the rocket at 8 seconds would be about 93 meters. did darryl make a good prediction? yes, the data are best modeled by a quadratic function. the value of the function at 8 seconds is about 93 meters. yes, the data are best modeled by a linear function. the first differences are constant, so about 93 meters at 8 seconds is reasonable. no, the data are exponential. a better prediction is 150 meters. no, the data are best modeled by a cubic function. a better prediction is 100 meters.