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jennwatso15

  • 3 years ago

If a ball is thrown into the air with a velocity of 40 ft/s, it's height in feet t seconds later is given by y=40t - 16t^2. Find the average velocity for the time period beginning when t = 2 and lasting .5 seconds

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  1. anonymous
    • 3 years ago
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    find \(\frac{f(2.5)-f(2)}{.5}\)

  2. anonymous
    • 3 years ago
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    i would use a calculator

  3. jennwatso15
    • 3 years ago
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    is 2.5 and 2 inside of the parenthesis

  4. anonymous
    • 3 years ago
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    http://www.wolframalpha.com/input/?i=%2840*2.5+-+16%282.5%29^2-%2840*2-16*2^2%29%29%2F.5

  5. jennwatso15
    • 3 years ago
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    alright thanks! i could read what was inside of them

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