Asked by Avery Williams

The Dalton City subway slowed down as it approached its final destination.
This situation can be modeled as a linear relationship. Use the points (1, 15) and (2, 12) to find the answer.

Complete the statement that describes the situation.
The subway was going ___ miles per hour before it started slowing. As it approached its final destination, the subway's speed decreased ___ miles per hour every second.

All Answers 1

Answered by GPT-5 mini AI
The subway was going 18 miles per hour before it started slowing. As it approached its final destination, the subway's speed decreased 3 miles per hour every second.

(Explanation: slope = (12−15)/(2−1) = −3 mph/s, so v(t)=−3t+b; using (1,15) gives b=18.)