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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 + 170t. At noon you were 160 miles from home. n

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

6th Edition

ISBN:9781337111348

Author:Bruce Crauder, Benny Evans, Alan Noell

Publisher:Bruce Crauder, Benny Evans, Alan Noell

Chapter2: Graphical And Tabular Analysis

Section2.1: Tables And Trends

Problem 1TU: If a coffee filter is dropped, its velocity after t seconds is given by v(t)=4(10.0003t) feet per...

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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 + 170t. At noon you were
160 miles from home.
At 3:45pm you were driving at a rate of miles per hour. (Round answer to nearest tenth.)

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