Evaluate the integral by using a substitution prior to integration by parts.
A. x 
2 - 2x 
+ C
B. x 
2 - x 
+ x + C
C. x 
2 + 2x 
- 2x + C
D. x 
2 - 2x 
+ 2x + C
Answer: D
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Find the largest open interval where the function is changing as requested.Increasing f(x) = 
A. (-?, 1) B. (0, ?) C. (1, ?) D. (-?, 0)
Solve the problem.Two pulleys of diameter 6 meters and 3 meters are connected by a belt. The larger pulley rotates 41 times per minute. Find the angular speed of the smaller pulley.
A. 246? radians per min B. 164? radians per min C. 123? radians per min D. 82? radians per min
Change the binary number to hexadecimal form.
What will be an ideal response?
The approximate percent 
of average income used to pay federal, state, and local taxes is given by 
, where 
is the number of years after
1950. Which 
-value represents the year 1995?
?
A. 25
B. 45
C. 30
D. 20
E. 40