Find the average rate of change over the interval of 2 minutes to 11 minutes



A.The rate of change is 19 of a kilometer per minute.

B.The rate of change is 9 kilometers per minute.

C.The rate of change is 13 of a kilometer per minute.

D.The rate of change is 3 kilometers per minute. **

2 answers

can someone tell me if my answser is correct ?
hard to say, not knowing how many km were traveled.
If D is the answer, then that must have been 27km, since
27km/9min = 3 km/min