Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.-3w2 - 24w - 36
A. -(3w + 6)(w + 6)
B. -3(w + 2)(w + 6)
C. -(w - 2)(w - 6)
D. prime
Answer: B
Mathematics
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
(ln(3x + 1) + 2ln(x + 3) - ln(x3 + 6) - ln(x + 7))
B. 5
C. 
+ 
- 
- 
D. 
Mathematics
Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the first-quadrant portion of the circle 
if the density of the wire is 
A. 
= 
, 
= 
B. 
= 1, 
= 1
C. 
= 
, 
= 
D. 
= 
, 
= 
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Find the limit.
(1 + csc x)
A. ? B. 1 C. 0 D. Does not exist
Mathematics
Perform the indicated operation and, if possible, simplify. Assume that all variables represent positive real numbers. 
A. 2x
B. x
C. 2x
D. 2x
Mathematics