stephaniemathurin stephaniemathurin
  • 01-05-2017
  • Mathematics
contestada

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

Respuesta :

Аноним Аноним
  • 04-05-2017
B. 5.625 s.............
Answer Link

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