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The quadratic function f(x)=-16x^2+90 models the height of a baseball in feet after x seconds. How long is the baseball in the air? A. 2.8125 s B. 5.625 s C. 11.25 s D. 126.5625 s
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Oct 17, 2018
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The quadratic function f(x)=-16x^2+90 models the height of a baseball in feet after x seconds. How long is the baseball in the air?
A. 2.8125 s
B. 5.625 s
C. 11.25 s
D. 126.5625 s
Mathematics
high-school
Carlos Tasada
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B. 5.625 s.............
Lou Franco
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Oct 22, 2018
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Lou Franco
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