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An object is launched from a platform. Its height (in meters), x seconds after the launch, is modelled by: h(x) = -5x2+20x+60 How many seconds after launch will the object land on the ground

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section: Chapter Questions

Problem 6T

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An object is launched from a platform.
Its height (in meters), x seconds after the launch, is modelled by:
h(x) = -5x2+20x+60
How many seconds after launch will the object land on the ground?

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