You throw a ball straight up from a rooftop 40 feet high with an initial speed of 32 feet per second. The function s(t)=−16t2+32t+40 models the ball's height above the ground, s(t), in feet, t seconds after it was thrown. During which time period will the ball's height exceed that of the rooftop?

You throw a ball straight up from a rooftop 40 feet high with an initial speed of 32 feet per second. The function s(t)=−16t2+32t+40 models the ball's height above the ground, s(t), in feet, t seconds after it was thrown. During which time period will the ball's height exceed that of the rooftop?

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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You throw a ball straight up from a rooftop

40 feet high with an initial speed of 32 feet per second. The function s(t)=−16t2+32t+40 models the ball's height above the ground, s(t), in feet, t seconds after it was thrown. During which time period will the ball's height exceed that of the rooftop?

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