Write the following as an algebraic expression in u, u > 0.cos(tan-1 u)
A. 
B. u
C. 
D. 
Answer: A
Mathematics
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L'Hopital's rule does not help with the given limit. Find the limit some other way.
A. ? B. -1 C. 1 D. 0
Mathematics
Find the center of the ellipse.
+ 
= 1
A. (-3, -4) B. (3, 4) C. (4, 3) D. (-4, -3)
Mathematics
Solve the problem.Use the average daily balance for the following credit card account to find the finance charge if interest is 1.69% per month on the average daily balance. Assume one month between billing dates. Previous balance $295.76. October 12Billing date October 20Payment$62.00 October 21Purchase$22.01 October 27Return$32.39 November 5Purchase$49.03
A. $4.95 B. $4.39 C. $4.54 D. $4.11
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find A - B.
A. 
B. 
C. 
D. 
Mathematics