Solve each problem.

A water tank has an inlet pipe with a flow rate of 5 gal per minute and an outlet pipe with a flow rate of 3 gal per minute. A pipe can be either closed or completely open. The graph shows the number of gallons of water in the tank after x minutes. Use the concept of slope to interpret each piece of this graph.

Water in a Tank

Transcribed Image Text:

24 (5, 19) (8, 19) 20 16 (3, 15) 12 (10, 13) 2 6. 8. 10 Time (in minutes) Water (in gallons) 4)