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3. The fuel efficiency (in miles per gallon) of an SUV depends on its weight according to the formula E(x)=0.0000016x² -0.016x+54 (1,800≤x≤5,400), where x is the weight of an SUV in pounds. a. According to the model, what is the weight of the least fuel-efficient SUV? b. Would you trust the model for weights greater than the answer you obtained in (a)? Explain.

3. The fuel efficiency (in miles per gallon) of an SUV depends on its weight according to the formula E(x)=0.0000016x² -0.016x+54 (1,800≤x≤5,400), where x is the weight of an SUV in pounds. a. According to the model, what is the weight of the least fuel-efficient SUV? b. Would you trust the model for weights greater than the answer you obtained in (a)? Explain.

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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3. The fuel efficiency (in miles per gallon) of an SUV depends on its weight according to the formula E(x)= 0.0000016x² -0.016x+54 (1,800≤x≤5,400), where x is the weight of an SUV in pounds. a. According to the model, what is the weight of the least fuel-efficient SUV? b. Would you trust the model for weights greater than the answer you obtained in (a)? Explain.
Transcribed Image Text:3. The fuel efficiency (in miles per gallon) of an SUV depends on its weight according to the formula E(x)= 0.0000016x² -0.016x+54 (1,800≤x≤5,400), where x is the weight of an SUV in pounds. a. According to the model, what is the weight of the least fuel-efficient SUV? b. Would you trust the model for weights greater than the answer you obtained in (a)? Explain.
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