What is the meaning of the point with an x-coordinate of 3.


A. The commuter train travels 3 feet in 180 seconds.

B. In 1 second, the commuter train travels 3 feet.

C. In 3 seconds, the commuter train travels 180 feet.

D. It takes the commuter train 60 seconds to go 3 feet



PLS HELP ASAP!!!