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Mathematics
Mathematics
Problem
For
0
≤
t
≤
5
0\le t\le 5
0
≤
t
≤
5
, a particle has velocity
v
(
t
)
=
t
2
−
4
t
+
3
v(t)=t^{2}-4t+3
v
(
t
)
=
t
2
−
4
t
+
3
. Determine all times in this interval at which the particle changes direction.
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