Write out the first five terms of the sequence.an = 
A. 1, 
, 
, 
, 
B. 3, 
, 
, 
, 
C. 
, 
, 
, 
, 
D. 1, 
, 
, 
, 
Answer: B
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln(cos(ln ?))
A. tan(ln ?)
B. -tan(ln ?)
C. - 
D. 
Evaluate the sum.
A. 14 B. -14 C. 228 D. 6
Evaluate the function for the indicated input and interpret the result.A(12, 48, 6) where A(x, y, z) = 
. (A computes the average of three numbers x, y, and z.)
A. A(12, 48, 6) = 22 The average of the three numbers 12, 48, and 6 is 22. B. A(12, 48, 6) = 11 The average of the three numbers 12, 48, and 6 is 11. C. A(12, 48, 6) = 66 The average of the three numbers 12, 48, and 6 is 66. D. A(12, 48, 6) = 11 The average of 11 is the three numbers 12, 48, and 6.
Given the magnitudes of vectors u and v and the angle ? between them, find sum of 
. Give the magnitude to the nearest tenth when necessary and give the direction by specifying the angle that the resultant makes with u to the nearest degree.?u? = 11, ?v? = 11, ? = 106°
A. 22, 106° B. 13.2, 53° C. 13.2, 106° D. 22, 53°