It is estimated that between the hours of 10AM and 3PM, the speed of highway traffic flowing past a certain downtown exit is approximately S(t) = t³ − 9t² + 15t + 45 miles per hour. Le
It is estimated that between the hours of 10AM and 3PM, the speed of highway traffic flowing past a certain downtown exit is approximately S(t) = t³ − 9t² + 15t + 45 miles per hour. Le
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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9.4
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![It is estimated that between the hours of 10AM
and 3PM, the speed of highway traffic flowing
past a certain downtown exit is approximately
S(t) = t³ - 9t² + 15t + 45 miles per hour. Let
t represent the number of hours since 10AM.
(10AM means t
=
0).
At what time(s) from 10AM to 3PM is the traffic
moving the fastest? [Select an answer ✓
At what time(s) from 10AM to 3PM is the traffic
moving the slowest? Select an answer ✓](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F63a13f40-4a2a-42ee-a505-9a3a6915acf1%2F064fc873-f514-4e72-b63e-89a59cac3a32%2Fdo58cif_processed.png&w=3840&q=75)
Transcribed Image Text:It is estimated that between the hours of 10AM
and 3PM, the speed of highway traffic flowing
past a certain downtown exit is approximately
S(t) = t³ - 9t² + 15t + 45 miles per hour. Let
t represent the number of hours since 10AM.
(10AM means t
=
0).
At what time(s) from 10AM to 3PM is the traffic
moving the fastest? [Select an answer ✓
At what time(s) from 10AM to 3PM is the traffic
moving the slowest? Select an answer ✓
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