An accepted relationship between stopping distahce, din feet, and the speed of a car, v in mph, is d(v) = 1.2v +0.06v on dry, level concrete. (a) How many feet will it take a car traveling 45 mph to stop on dry, level concrete? (b) If an aodident occurs 150 feet ahead, what is the maximum speed at which one can travel to avoid being involved in the accident? (a) It will take n76 ft to stop the car that is traveling at 45 mph (Round up to the nearest foot as needed.) (b) The maximum speed is 40 mph at which one can travel to avoid being involved in the accident. (Round down to the nearest mile per hour as needed.)
An accepted relationship between stopping distahce, din feet, and the speed of a car, v in mph, is d(v) = 1.2v +0.06v on dry, level concrete. (a) How many feet will it take a car traveling 45 mph to stop on dry, level concrete? (b) If an aodident occurs 150 feet ahead, what is the maximum speed at which one can travel to avoid being involved in the accident? (a) It will take n76 ft to stop the car that is traveling at 45 mph (Round up to the nearest foot as needed.) (b) The maximum speed is 40 mph at which one can travel to avoid being involved in the accident. (Round down to the nearest mile per hour as needed.)
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.1: Quadratic Functions And Models
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Transcribed Image Text:An accepted relationship between stopping distance, din feet, and the speed of a car, v in mph, is d(v) = 1.2v + 0 .06v on dry. level concrete,
(a) How many feet will it take a car traveling 45 mph to stop on dry, level concrete?
(b) If an adcident occurs 150 feet ahead, what is the maximum speed at which one can travel to avoid being involved in the accident?
(a) It will take n76 ft to stop the car that is traveling at 45 mph
(Round up to the nearest foot as needed.)
(b) The maximum speed is 40 mph at which one can travel to avoid being involved in the accident.
(Round down to the nearest mile per hour as needed.)
Transcribed Image Text:(a) How many feet will it take a car traveling 50 mph to stop on dry, level concrete?
(b) If an accident occurs 150 feet ahead, what is the maximum speed at which one can travel to avoid being involved in the accident?
......
1 (a) It will take ft to stop the car that is traveling at 50 mph.
(Round up to the nearest foot as needed.)
(b) The maximum speed is mph at which one can travel to avoid being involved in the accident.
(Round down to the nearest mile per hour as needed.)
Ac
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