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calculus

posted by on .

find the vertex for the preceding algebraically:
h(t)=-16t^2+8t+8000

& then use the t- intercepts and the vertex to define a reasonable window for a graphing calculator. please help!! & thank you so much

  • calculus - ,

    h(t)=-8(2t^2-t-1000)
    = -8(2t -45 )(t+22) about...

    so t= about 22.5 and -22
    I would graph it fom -20 to 20

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