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The fuel efficiency E (in kilometres per litre) of a certain car driven at a speed v (in kilometres per hour) is approximated by 2,000v v² + 1,600 If the speed limit is 100 km/h, determine the legal speed that will maximize fuel efficiency. Answer: E(v)= = km/h

The fuel efficiency E (in kilometres per litre) of a certain car driven at a speed v (in kilometres per hour) is approximated by 2,000v v² + 1,600 If the speed limit is 100 km/h, determine the legal speed that will maximize fuel efficiency. Answer: E(v)= = km/h

Calculus: Early Transcendentals
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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The fuel efficiency E (in kilometres per litre) of a certain car driven at a speed v (in kilometres per hour) is approximated by 2,000v v2 + 1,600 If the speed limit is 100 km/h, determine the legal speed that will maximize fuel efficiency. Answer: E(v) = km/h
Transcribed Image Text:The fuel efficiency E (in kilometres per litre) of a certain car driven at a speed v (in kilometres per hour) is approximated by 2,000v v2 + 1,600 If the speed limit is 100 km/h, determine the legal speed that will maximize fuel efficiency. Answer: E(v) = km/h
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