Mathematics, 09.05.2021 22:20 jayleneeeee

The height h (in feet) of a fireworks shell shot vertically upward as a function of time t (in s) is h(t)=-16t^2+144t+4 . How long should the fuse last so that the shell explodes at the top of its trajectory?

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The height h​ (in feet) of a fireworks shell shot vertically upward as a function of time t​ (in s) is h(t)=-16t^2+144t+4 . How long should the fuse last so that the shell explodes at the top of its​ trajectory?

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The height h (in feet) of a fireworks shell shot vertically upward as a function of time t (in s) is h(t)=-16t^2+144t+4 . How long should the fuse last so that the shell explodes at the top of its trajectory?