object is tossed vertically upward from ground level. Its height s(t), in feet, at time t seconds is given by the position function s = −16t2 + 112t. In how many seconds does the object return to the point from which it was thrown?

object is tossed vertically upward from ground level. Its height s(t), in feet, at time t seconds is given by the position function s = −16t2 + 112t. In how many seconds does the object return to the point from which it was thrown?

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter4: Polynomial And Rational Functions

Section4.CT: Chapter Test

Problem 4CT

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Question

An object is tossed vertically upward from ground level. Its height

s(t),

in feet, at time t seconds is given by the position function

s = −16t² + 112t.

In how many seconds does the object return to the point from which it was thrown?

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