3. An object falls from the top of a building of height 160 feet above ground. The dis- tance between the object and the ground is modeled by f(t) = -16t² + 160. Find the time it takes for the object to hit the ground. Round answer to one decimal place.

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
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Author:Bruce Crauder, Benny Evans, Alan Noell
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Chapter2: Graphical And Tabular Analysis
Section2.1: Tables And Trends
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3. An object falls from the top of a building of height 160 feet above ground. The dis-
tance between the object and the ground is modeled by f(t) = – 16t² + 160. Find the time
it takes for the object to hit the ground. Round answer to one decimal place.
Transcribed Image Text:3. An object falls from the top of a building of height 160 feet above ground. The dis- tance between the object and the ground is modeled by f(t) = – 16t² + 160. Find the time it takes for the object to hit the ground. Round answer to one decimal place.
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