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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.

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.10: Inverse Variation
Problem 4P
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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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