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Let v(t)=t^2−3t be the velocity, in feet per second, of an object at time t, in seconds.

a) What is the initial velocity? ___ ft/sec

b) When does the object have a velocity of zero? If there is more than time, list all answers in a comma separated list. ___ seconds

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Respuesta :

syed514
initial velocity means v(0)so 0..
velocity of zero so equate v(t) to zero
0 = t^2 - 3tt(t-3) = 0
at t= 0 (as we found at a) and t = 3

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