Perform the operation indicated. Simplify.
- 
A. - 
B. 
C. - 
D. 
Answer: A
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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. 
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
Find the exact value of the expression.
A. 
B. 
C. 
D. 2
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.