Express as a sum of logarithms.log8 (13 ? 9)
A. log 13 + log 9 + log 8
B. log (13 + 9 + 8)
C. log4 13 + log4 9
D. log8 13 + log8 9
Answer: D
Mathematics
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Determine whether the sequence converges or diverges, and, if it converges, find 
an.an = n - 
A. 0
B. 
C. 
D. Diverges
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Write the expression in terms of sines and/or cosines, and then simplify.sin2 x + sin x - 1 + cos2 x
A. 
B. sin x
C. 
D. 
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Determine the number of terms and identify the coefficient of each term of the expression.2w - 9c - x
A. 3; 2, -9, 1 B. 3; 2, 9, -1 C. 3; 2, 9, 1 D. 3; 2, -9, -1
Mathematics
Find the exact value, given that sin A = -4/5 with A in quadrant IV, 
with B in quadrant III, and 
with C in quadrant II.cos 2A
A. 
B. 
C. - 
D. - 
Mathematics