Find the center and radius of the circle by completing the square.x2 - 4x + y2 - 6y + 1 = 0
A. (-2, -3); r = 2
B. (2, 3); r = 2
C. (2, 3); r = 12
D. (-2, -3); r = 12
Answer: B
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Find the volume.Find the volume of the solid generated by revolving the region under the curve 
from 
to 
about the 
A. 2
B. 4?
C. 2?
D. 
?
Multiply.-3 ? 5
A. -15 B. -115 C. -150 D. -20
The number of major crimes committed in the city between 1997 and 2004 is approximated by the function
? 
?where
denotes the number of crimes committed in year
(
corresponds to 1997). Enraged by the dramatic increase in the crime rate, the citizens with the help of the local police organized "Neighborhood Crime Watch" groups in early 2001 to combat this menace.
?When was the growth in the crime rate maximal?
?
A. 2001
B. 2003
C. 2000
D. 2002
E. 1999
Solve the problem.The surface area of a balloon is given by S(r) = 4?r2, where r is the radius of the balloon. If the radius is increasing with time t, as the balloon is being blown up, according to the formula 
find the surface area S as a function of the time t.
A. S(r(t)) = 
?t3
B. S(r(t)) = 
?t9
C. S(r(t)) = 
?t6
D. S(r(t)) = 
?t6