You are driving a car away from home. Your velocity (miles per hour) t hours after noon is given by v(t) = -5t4 +45t3 - 140t2 + 180t. At noon you were 145 miles from home. At 3:15pm you were driving at a rate of miles per hour. (Round answer to nearest tenth.)

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter2: Equations And Inequalities
Section2.3: Models And Applications
Problem 20SE: Ben starts walking along a path at 4 mi/h. One and a half hours after Ben leaves, his sister Amanda...
icon
Related questions
Question
Help
You are driving a car away from home. Your velocity (miles per hour) t hours after noon is given by v(t) = -5t4 +45t3 - 140t² + 180t. At noon you were
145 miles from home.
At 3:15pm you were driving at a rate of miles per hour. (Round answer to nearest tenth.)
Transcribed Image Text:You are driving a car away from home. Your velocity (miles per hour) t hours after noon is given by v(t) = -5t4 +45t3 - 140t² + 180t. At noon you were 145 miles from home. At 3:15pm you were driving at a rate of miles per hour. (Round answer to nearest tenth.)
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781337278461
Author:
Ron Larson
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Intermediate Algebra
Intermediate Algebra
Algebra
ISBN:
9781285195728
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning