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anonymous

  • one year ago

A ball is dropped from the top of a 550 ft. building. The function h\left( t \right) = - 16{t^2} + 550 models the height of the ball, h(t) (in feet), at any given time, t (in seconds). How long does it take the ball to reach the ground? Round your answer to the nearest hundredth of a second.

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  1. anonymous
    • one year ago
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    You would want to find the x intercept

  2. anonymous
    • one year ago
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    the value of x at which y=0

  3. anonymous
    • one year ago
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    And either round up or down the answer accordingly

  4. anonymous
    • one year ago
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    Always use a graphing calculator to see where the line intersects x incercept.

  5. anonymous
    • one year ago
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    ok

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