Evaluate the integral by using a substitution prior to integration by parts.
A. x 
2 - 2x 
+ 2x + C
B. x 
2 - 2x 
+ C
C. x 
2 - x 
+ x + C
D. x 
2 + 2x 
- 2x + C
Answer: A
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Solve the problem.In a particular situation, the pressure, P, exerted on a person's eardrum at a distance of 12 feet from the source is given by the function: 
where n is a positive integer. Use the difference identity for cosine to simplify P(t).
A. P(t) = 
cos (ct)
B. P(t) = 
cos (ct + 12)
C. P(t) = 
cos (ct) - 
sin (ct)
D. P(t) = cos (ct)
Solve the problem.The following data give the color distribution of 1700 carnations ordered by a local florist. Draw a pie chart to represent the data.PinkRedWhite510?850?340
A. 
B. 
Solve the system of equations by finding the reduced row echelon form for the augmented matrix.3x + 3y + z = 105x - 3y - z = -23x + y + 3z = 16
A. (4, 1, 1) B. No solution C. (1, 1, 4) D. (1, 4, 1)
Provide an appropriate response.The functions f(x) and g(x) are linear, and the solution set for 
is 
Furthermore, 
What can you say about f(x) and g(x) for 
A. f(x) > g(x) B. f(x) ? g(x) C. f(x) ? g(x) D. Nothing about the relationship between f(x) and g(x) can be determined.