AB Review 09 NO Calculator Permitted
2
1. A particle moves along the y-axis with velocity given by
v t
t
t
t . If the particle is
3
6
for time
0
at position
y
2
at time
t , what is the position of the particle at
0
t ?
1
(A) 4
(B) 6
(C) 9
(D) 11
(E) 12
2. If
f x
cos 3
x
, then
f
9
3
3 3
3
3
3 3
(A)
(B)
(C)
(D)
(E)
2
2
2
2
2
x
x
2
5
7
x
,
2
f x
, and if f is continuous at
x , then k
2
3. If
x
2
k
,
x
2
1
1
7
(A) 0
(B)
(C)
(D) 1
(E)
6
3
5