Solve the problem.To remodel a bathroom, a contractor charges $25 per hour plus material costs, which amount to $3725. 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) = 
- 149; This computes the total cost if the contractor works x hours.
B. f -1(x) = 
- 3725; This computes the number of hours worked if the total cost is x dollars.
C. f -1(x) = 
- 149; This computes the number of hours worked if the total cost is x dollars.
D. f -1(x) = 
- 3725; This computes the total cost if the contractor works x hours.
Answer: C
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, x = 1, x = 6
A. 
(ln 6)
B. 
C. ?(ln 6)
D. 
?
Solve the problem.
Sarah Fields wants to borrow $138,000 at 6.5% to buy a house. How much interest would she save by going with a 15-year mortgage over a 25-year mortgage?
A. $97,621.20 B. $192,675.60 C. $78,411.60 D. $63,093.60
Solve graphically.x + 4 = 2yx - 4 = 2y
A. (0, 2) B. No solution C. (-4, 0) D. Infinitely many solutions
Write the number 
in expanded notation.
?
__________
__________
__________
What will be an ideal response?