Which of the following is an ordered pair on the graph? What does it represent in this situation?
(45, 90); the machine caps 45 bottles in 90 seconds.
(45, 900); the machine caps 45 bottles in 900 seconds.
(45, 900); the machine caps 900 bottles in 45 seconds.
(900, 45); the machine caps 900 bottles in 45 seconds.