89. Falling Ball Using calculus, it can be shown that if a ball is thrown upward with an initial velocity of 16 ft/s from the top of a building 128 ft high, then its height h above the ground t seconds later will be h = 128 + 161 – 161² During what time interval will the ball be at least 32 ft above the ground?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.7: Solving Inequalities
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Falling Ball Using calculus, it can be shown that if a ball is
thrown upward with an initial velocity of 16 ft/s from the top
of a building 128 ft high, then its height h above the ground t
seconds later will be

89. Falling Ball Using calculus, it can be shown that if a ball is
thrown upward with an initial velocity of 16 ft/s from the top
of a building 128 ft high, then its height h above the ground t
seconds later will be
h = 128 + 161 – 161²
During what time interval will the ball be at least 32 ft above
the ground?
Transcribed Image Text:89. Falling Ball Using calculus, it can be shown that if a ball is thrown upward with an initial velocity of 16 ft/s from the top of a building 128 ft high, then its height h above the ground t seconds later will be h = 128 + 161 – 161² During what time interval will the ball be at least 32 ft above the ground?
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