Perform the operation indicated. Simplify. - 

A. - 
B.
C. - 
D.


Answer: A

Mathematics

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Find the volume by using polar coordinates.The region under the surface , and bounded by the planes  and  and the cylinder 

A.
B.
C.
D.

Mathematics

Convert the decimal form numeral to a numeral in the base indicated.2874 to base 7

A. 11,2247 B. 11,4227 C. 11,2447 D. 11,4427

Mathematics

Find the exact value of the expression.

A.
B.
C.
D. 2

Mathematics

Solve the problem.To remodel a bathroom, a contractor charges $25 per hour plus material costs, which amount to $3550. Therefore, the total cost to remodel the bathroom is given by  where x is the number of hours the contractor works. Find  What does  compute?

A. f -1(x) =  - 3550; This computes the total cost if the contractor works x hours.
B. f -1(x) =  - 3550; This computes the number of hours worked if the total cost is x dollars.
C. f -1(x) =  - 142; This computes the total cost if the contractor works x hours.
D. f -1(x) =  - 142; This computes the number of hours worked if the total cost is x dollars.

Mathematics