Find the integral.
A. -3 csc2 
+ C
B. - 
ln
+ C
C. 3 ln
+ C
D. 3 ln
+ C
Answer: D
Mathematics
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A. (x + 9)(x + 1) B. (x - 9)(x - 7) C. (x + 9)(x - 7) D. prime
Mathematics
Solve the problem.The number of quarters needed to double an investment when a lump sum is invested at 10%, compounded quarterly, is given by n = 
Find n, rounded to the nearest tenth.
A. 24.1 quarters B. 33.1 quarters C. 31.1 quarters D. 28.1 quarters
Mathematics
Solve the equation. Give the exact solution or solutions.log (x + 5) = log (2x- 1)
A. {0} B. {-6} C. {6} D. ?
Mathematics
Perform the indicated operations and simplify the result so there are no quotients to complete the identity.
+ 
= ?
A. -2 tan2? B. sin ? tan ? C. 1 + cot ? D. sec ? csc ?
Mathematics