One train leaving a train station is travelling east at a rate of 50 km/h. Another train starting 100km from the station is heading towards the station from the south at 70 km/h. At what time is the distance between them a minimum? How far apart are they at this point?

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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2. One train leaving a train station is travelling east at a rate of 50 km/h. Another train starting 100km from the
station is heading towards the station from the south at 70 km/h. At what time is the distance between them a
minimum? How far apart are they at this point?
Transcribed Image Text:2. One train leaving a train station is travelling east at a rate of 50 km/h. Another train starting 100km from the station is heading towards the station from the south at 70 km/h. At what time is the distance between them a minimum? How far apart are they at this point?
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