The ordered pairs (0, 0), (2, 4), (4, 8), and (6, 12) represent a function. what is the rule for this function? (1 point)
y = x +2
y = 3x
y = x + 4
y = 2x

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.