For a certaln model of car the distance d regulred to stop the vehlcle If It Is traveling at v ml/h Is glven by the formula d = v + 20 where d is measured In feet. Kerry wants her stopplng distance not to exceed 40 ft. At what range of speeds (In ml/h) can she travel? (Enter your answer using Interval notation.)

Calculus: Early Transcendentals
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Author:James Stewart
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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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10. [0/1 Points]
SPRECALC7 1.8.121.MI.
MY NOTES
ASK YOUR TEACHER
PRACTICE ANOTHER
DETAILS
PREVIOUS ANSWERS
For a certaln model of car the distance d required to stop the vehlcle If It Is travellng at v ml/h Is glven by the formula
v2
d = v +
20
where d is measured In feet, Kerry wants her stopping distance not to exceed 40 ft. At what range of speeds (In ml/h) can she travel? (Enter your answer using Interval
notation.)
40 ft
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Transcribed Image Text:10. [0/1 Points] SPRECALC7 1.8.121.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER DETAILS PREVIOUS ANSWERS For a certaln model of car the distance d required to stop the vehlcle If It Is travellng at v ml/h Is glven by the formula v2 d = v + 20 where d is measured In feet, Kerry wants her stopping distance not to exceed 40 ft. At what range of speeds (In ml/h) can she travel? (Enter your answer using Interval notation.) 40 ft Need Help? Master It Read It Watch It Submit Answer
Expert Solution
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Speed is scalar quantity (only magnitude) ,this means that it is always positive.

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