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7 January, 14:18

You jump off a 24 foot high cliff and your fall is modeled by the function:

h (t) = - 16t2 + 8t + 24

When would you reach 16 feet above the water?

A. 1/4 second

B. 1 second

C. 1/2 second

D. 8 seconds

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Answers (1)
  1. 7 January, 15:44
    0
    Answer: B) 1 second

    Step-by-step explanation:

    plug 16 (final height) into the equation given:

    16=-16t^2+8t+24, and solve for t.

    x will equal - 1/2 or 1

    disregard the negative because you can't have time.
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