Identify the open intervals where the function is changing as requested.Decreasing

A. (-?, 3)
B. (0, -2)
C. (-?, -2)
D. (0, 3)


Answer: A

Mathematics

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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.

Mathematics

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

Mathematics

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

Mathematics

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

Mathematics