Mr. Jones filled his swimming pool with water. •

Mr. Jones filled his swimming pool with water.

• Mr. Jones began filling the pool at a constant rate.
•He turned off the water for a while
•He then turned the water back on at a slower constant rate.
•Mr. Jones turned off the water again for a while.
•He then turned the water back on at the first rate.
Which graph best represents Mr. Jones filling the pool?​