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23 February, 12:35

Darlene kicks a soccer ball off the ground and in the air, with an initial velocity of 34 feet per second. using the formula h (t) = - 16t2 vt s, what is the maximum height the soccer ball reaches?

17.7 feet

18.1 feet

19.3 feet

20.2 feet

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  1. 23 February, 13:03
    0
    Formula: h (t) = - 16t^2 + vt = - 16t^2 + 34t

    Factor to find the zeros

    2t (17 - 8t)

    t = 0 and t = 17/8

    Vertex: t = 17/16 and h (17/18) = - 16 (17/18) ^2 + 34 (17/18) = 17.8

    Answer: 17.7 feet
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