Question 7 (2 points) (03.01)
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
a
The relation (length, volume) is a function, but the relation (volume, length) is not.

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

c
Both the relation (length, volume) and the relation (volume, length) are functions.

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