As a plane lands, its height above ground level (in feet) is given by h(t) = 35000 − 1000t where t is the amount of time which has passes since the plane began its descent (in minutes). How long does it take the plane to land (reach ground level) after beginning its descent?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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5. As a plane lands, its height above ground level (in feet) is given by h(t) = 35000 − 1000t where t is
the amount of time which has passes since the plane began its descent (in minutes). How long
does it take the plane to land (reach ground level) after beginning its descent?

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