Answer:
Explanation:
Distance = speed × time
Speed = distance/time
Total distance from the safe zone is 160 meters.
After 3 seconds of driving, she was 85 meters away from the safe zone. This means that the distance travelled is
160 - 85 = 75 miles
This means that he drove 75 miles in 3 seconds. Therefore, his speed would be
Speed = 75/3 = 25 miles/second
let d(t) denote the distance to the safe zone d measured in meters) as a function of time t (measured in seconds). Therefore
d(t) = 160 - 25t