If two sets have no elements in common, the intersection of the two sets is the empty set. always sometimes never

The data in the table represent the height of an object over time. which model best represents the data? quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases