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    daysr's Avatar
    daysr Posts: 1, Reputation: 1
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    #1

    Oct 6, 2007, 01:16 PM
    Functions
    A ball is thrown straight up. We know its height H in feet after t seconds is given by the function H(t) = 128t - 16t squared.

    I am required to find H(2), H(6), H(3), H(5). Can someone help me with setting up the function?
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
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    #2

    Oct 6, 2007, 01:19 PM
    Quote Originally Posted by daysr
    A ball is thrown straight up. We know its height H in feet after t seconds is given by the function H(t) = 128t - 16t squared.

    I am required to find H(2), H(6), H(3), H(5). Can someone help me with setting up the function?
    Show us what you've gotten...

    https://www.askmehelpdesk.com/math-s...board-b-u.html
    cool_dude's Avatar
    cool_dude Posts: 124, Reputation: 9
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    #3

    Oct 7, 2007, 08:19 AM
    From the looks of it you just plug in the numbers. So you have the function H(t) = 128t - 16t^2 so lets do the first one lets find H(2). Notice that the 2 represents time (t) so you just plug in 2 everywhere you see a t in your equation. So H(2) = 128(2) - 16(2)^2 and just solve the equation. You do the same with the other ones: H(6), H(3), H(5)
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