Let 
be an arbitrary operation. Describe the operation 
for the problem.
?
?
A. ab + 1
B. a + b
C. ab
D. 2a - b
E. a + b + 1
Answer: D
Mathematics
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Evaluate the improper integral or state that it is divergent.
A. - 
ln 11
B. 
ln 
C. 
ln 6
D. 
ln 11
Mathematics
Solve the problem. Assume that simple interest is being calculated in each case. Round the answer to the nearest cent unless otherwise indicated.John Lee's savings account has a balance of $1130. After 9 months, what will the amount of interest be at 5.0% per year?
A. $56.50 B. $125.56 C. $65.51 D. $42.38
Mathematics
Find the limit of the sequence or determine that the limit does not exist.an = ln 
n
A. 0 B. 3 C. does not exist D. ln 3
Mathematics
Divide and check the answer.
A. 18x7 - 30x2 + 1 B. 3x9 - 5x4 + x C. 3x8 - 5x3 + x2 D. 3x7 - 5x2 + x
Mathematics