Consider the two groups listed below. which statement describes the sets? (2 points)

the length of a swimming pool
the liquid volume of the pool

the relation (length, volume) is a function, but the relation (volume, length) is not.

the relation (volume, length) is a function, but the relation (length, volume) is not.

both the relation (length, volume) and the relation (volume, length) are functions.

neither the relation (length, volume) nor the relation (volume, length) is a function.