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Math Help - word problem...

  1. #1
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    word problem...

    If you could just help me set this up, I think I can handle it from there...

    If a ball is thrown into the air with a velocity of 51 ft/s, its height (in feet) after t seconds is given by y = 51t - 16t^2. Find the velocity when t = 2.
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  2. #2
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    Quote Originally Posted by ryan18 View Post
    If you could just help me set this up, I think I can handle it from there...

    If a ball is thrown into the air with a velocity of 51 ft/s, its height (in feet) after t seconds is given by y = 51t - 16t^2. Find the velocity when t = 2.
    v(2) = \lim_{t \to 2} \frac{y(t) - y(2)}{t-2}
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