4. DETAILS At noon, ship A is 170 km east of ship B. Ship A is sailing east at 40 km/h and ship B is sailing north at 35 km/h. (a) What is the distance between the ships at 3:00 PM? (Round your answer four decimal places.) km (b) How fast is the distance between the ships changing at that instant? (Round your answer to two decimal places.) km/h

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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4.
DETAILS
At noon, ship A is 170 km east of ship B. Ship A is sailing east at 40 km/h and ship B is sailing north at 35 km/h.
(a)
What is the distance between the ships at 3:00 PM? (Round your answer four decimal places.)
km
(b)
How fast is the distance between the ships changing at that instant? (Round your answer to two decimal places.)
km/h
DETAILS
Let f(x) = x2 + 50 In(x) - 52x. (If an answer does not exist, enter DNE.)
5.
Transcribed Image Text:4. DETAILS At noon, ship A is 170 km east of ship B. Ship A is sailing east at 40 km/h and ship B is sailing north at 35 km/h. (a) What is the distance between the ships at 3:00 PM? (Round your answer four decimal places.) km (b) How fast is the distance between the ships changing at that instant? (Round your answer to two decimal places.) km/h DETAILS Let f(x) = x2 + 50 In(x) - 52x. (If an answer does not exist, enter DNE.) 5.
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