The nth term of a sequence is given. Find the first 4 terms.an = 
A. 1, 1, 1, 1
B. 1, - 
, 1, 
C. - 
, 1, 
, 1
D. - 
, - 
, 
, 
Answer: D
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Set up an integral for the length of the curve.y = 4 cos x, 0 ? x ? ?
A. 
B. 
C. 
D. 
Find the limit of the sequence if it converges; otherwise indicate divergence.an = ln(4n + 9) - ln(3n - 5)
A. ln 1
B. ln
C. ln
D. Diverges
Use identities to find the indicated value for each angle measure.tan ? = 
, sin ? < 0
Find cos(2?).
A. 
B. 
C. - 
D. - 
Postal regulations specify that the combined length and girth of a parcel sent by parcel post may not exceed 120 in. Find the dimensions of the rectangular package that would have the greatest possible volume under these regulations. (Hint: Let the dimensions of the box be x'' by y'' by z'' (see the figure below). Then, 
, and the volume
src="https://sciemce.com/media/3/ppg__cognero__8.3_Maxima_and_Minima_of_Functions_of_Several_Variables__media__83349d6a-c74d-453f-ab65-4862ad47be6b.PNG" style="vertical-align:middle;" />. So that 
. Maximize 
.)
?
?
A. x = 20 inches, y = 40 inches, z = 20 inches, V = 16,000 cubic inches
B. x = 20 inches, y = 20 inches, z = 17 inches, V = 6,800 cubic inches
C. x = 22 inches, y = 40 inches, z = 22 inches, V = 16,000 cubic inches
D. x = 22 inches, y = 39 inches, z = 17 inches, V = 14,586 cubic inches
E. x = 22 inches, y = 40 inches, z = 17 inches, V = 14,586 cubic inches