onegirl
Use the position function to find the velocity at time t = 2. S(t) = sqrt(t^2 + 8)



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myko
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find the derivative and plug in t=2

onegirl
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the derivative of sqrt(t^2 + 8) ?

myko
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yes

onegirl
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ok i got t over sqrt(t^2 + 8)

myko
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right. Now put t=2

onegirl
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okay

onegirl
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i got 1 over sqrt 3

myko
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right

onegirl
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so that will be the velocity?

myko
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yes

onegirl
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ok thanks

myko
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yw