Identify the open intervals where the function is changing as requested.Decreasing
A. (-?, 3)
B. (0, -2)
C. (-?, -2)
D. (0, 3)
Answer: A
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Perform the indicated operation involving cylindrical coordinates.Find the rectangular coordinates of the point whose cylindrical coordinates are 
.
A. (8, 0, 5)
B. (0, 8, 5)
C. (0, -8, 5)
D. 
Evaluate the integral by using a substitution prior to integration by parts.
A. 
e
[ 
- 7] + C
B. 
e
[ 
- 1] + C
C. (7x + 7) e
+ C
D. 
e
+ C
Write a linear inequality in two variables to represent the situation.A delivery company has two sizes of boxes to ship. Their small box has a volume of 7 cubic feet and their large box has a volume of 14 cubic feet. Each of the company's trucks can carry 154 cubic feet of cargo. Write an inequality that describes the company's options for the number , x, of small boxes and the number, y, of large boxes that can be shipped in one truck.
A. 154x + 14y ? 7 B. 7x + 14y ? 154 C. 7x + 14y ? 154 D. 14x + 7y ? 154
Graph the hyperbola. Give the coordinates of the center as well as the values of a and b.
- 
= 1
A. center (5, -4 ), a = 4, b = 3
B. center (-5, 4), a = 3, b = 4
C. center (5, -4 ), a = 4, b = 3
D. center (-5, 4 ), a = 3, b = 4