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

Question

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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Thành Đạt 6 months 2021-07-15T22:28:26+00:00 1 Answers 70 views 0

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    2021-07-15T22:30:15+00:00

    Answer:

    Step-by-step explanation:

    h(t)=16t²+144t +4

    =16(t²+9t+(9/2)²)-16(9/2)²+4

    check your problem statement.

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