Evaluate the integral.Use the formula 
to evaluate the integral. 
A. x cot-1 x - ln
+ C
B. x cot-1 x + ln
+ C
C. x cot-1 x + ln x + C
D. x cot-1 x + x + C
Answer: B
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Solve. Round the dollar amount to the nearest penny. Answer with a complete sentence.A camera costs $910. If the sales tax rate is 0.02, what is the total price?
A. The total price is $1092.00. B. The total price is $928.20. C. The total price is $937.30. D. The total price is $919.10.
Solve the problem.For what numbers x, -2? ? x ? 2?, does the graph of y = tan x have vertical asymptotes.?
A. -2?, -?, 0, ?, 2?
B. - 
, - 
, 
, 
C. -2, -1, 0, 1, 2
D. none
Determine whether the given terms are like or unlike.5xy, 9xy
A. Unlike B. Like
Solve. Write your answer in simplest form.A nail 3
inches long is driven into a board 2
inches thick. How much of the nail protrudes from the other side of the board?
A. 2
inches
B. 
inch
C. 
inch
D. 1
inches