29. The fuel efficiency F for a particular car is given by F(x) = -0.016 x² + 1.44 x + 1.2, where x is the speed of the car in miles per hour (mph) and F(x) is the corresponding fuel efficiency in miles per gallon (mpg). A. What is the fuel efficiency if the car's speed is 20 mph? B. What speed will yield the maximum fuel efficiency? Show work.
29. The fuel efficiency F for a particular car is given by F(x) = -0.016 x² + 1.44 x + 1.2, where x is the speed of the car in miles per hour (mph) and F(x) is the corresponding fuel efficiency in miles per gallon (mpg). A. What is the fuel efficiency if the car's speed is 20 mph? B. What speed will yield the maximum fuel efficiency? Show work.
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:29. The fuel efficiency F for a particular car is given by F(x) = -0.016 x² + 1.44 x + 1.2,
where x is the speed of the car in miles per hour (mph) and F(x) is the corresponding fuel
efficiency in miles per gallon (mpg).
A. What is the fuel efficiency if the car's speed is 20 mph?
B. What speed will yield the maximum fuel efficiency? Show work.
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