A stone is thrown downward with a velocity of 44 feet per second (30 miles per​ hour) from a bridge that is 135

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.4: Solving Quadratic Equations
Problem 93E
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A stone is thrown downward with a velocity of 44 feet per second (30 miles per​ hour) from a bridge that is 135 feet above a​ river. 

a) Write a formula​ s(t) that models the height of the stone after t seconds. (Use t as the variable. Do not factor.)

s(t)=_____

b) Does the stone hit the water within the first 2 ​seconds? Explain.

a) No, because s(2) > 0
b) Yes, because s(2) < 0
c) Yes, because s(2) = 0
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