A small rock falling from the top of a 124-ft-tall building with an initial downward velocity of –30 ft/sec is modeled by the equation h(t) = –16t2 – 30t + 124, where t is the time in seconds. For which interval of time does the rock remain in the air? t = 2 t > –2 t < 2 t > 2

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A small rock falling from the top of a 124-ft-tall building with an initial downward velocity of –30 ft/sec is modeled by the equation h(t) = –16t2 – 30t + 124, where t is the time in seconds. For which interval of time does the rock remain in the air? t = 2 t > –2 t < 2 t > 2

Mathematics
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any thoughts?
T<2?
plug in 0 what do you get

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into the equation
you are correct I believe.
hold on
t=2
THank you so much!
When you plug in t=2, you get 0, when it hits the ground, it remains in the air for 2 seconds
medal and fan?

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