Find the slope of a line tangent to the curve of the given equation at the given point.y = x3 - 9x - 5; (3, -5)
A. -5
B. 13
C. 3
D. 18
Answer: D
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Estimate the slope of the tangent line to the curve at the given point.
A. - 
B. -1
C. - 
D. 1
Solve the problems.One year ago, Tony and May bought a house. In the year since they bought the house, it has depreciated 2% from the amount they paid. Today it is valued at $143,690. How much did they pay for the house?
A. $146,612 B. $146,522 C. $146,622 D. $147,622
Find the specified quartile.The weekly salaries (in dollars) of sixteen government workers are listed below. Find the lower quartile, QL.
A. $536 B. $529.00 C. $500 D. $522
Solve the problem.To remodel a bathroom, a contractor charges $25 per hour plus material costs, which amount to $3625. 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) = 
- 3625; This computes the number of hours worked if the total cost is x dollars.
B. f -1(x) = 
- 3625; This computes the total cost if the contractor works x hours.
C. f -1(x) = 
- 145; This computes the number of hours worked if the total cost is x dollars.
D. f -1(x) = 
- 145; This computes the total cost if the contractor works x hours.