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a ball is thrown upward at 64 feet per second from the top of an 80 feet high building. The height of the ball can be modeled by S(t) = -16t^2 + 64t + 80(feet), where t is the number of seconds after the ball is thrown. describe the graph model

  • math -

    graph of what? Position vs time?

    It will be a parabola, starting on one side at t=0 v=64

    The velocity slows to zero, then goes negative until the end.

  • math -

    you throw a tennis ball upward from a height of 4 feet with an initial vertical velocity of 36 feet per second.
    a. write an equation that models the height h (in feet) of the tennis ball as a function of the time t (in seconds) after its thrown.
    b. does the ball reach a height of 30 feet? explain.

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