Solve the problem.The loudness b (in decibels) of a sound of intensity I (in watts per square meter) is given by 
Find db/dt for 
watts per square meter and 
watts per square meter per minute.
A. 1.919 decibels per minute
B. 0.036 decibels per minute
C. 0.833 decibels per minute
D. 0.362 decibels per minute
Answer: D
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Solve the problem.The price per unit of a product is $p and the number of units of the product is denoted by q. The demand function for this commodity is given by p = 
- 50. Describe the transformations needed to obtain the graph of this function from the graph of p = 
.
A. Stretch vertically by a factor of 20,000 and shift down 50 units. B. Stretch vertically by a factor of 20,000, reflect across the x-axis, and shift down 50 units. C. Stretch vertically by a factor of 20,000 and shift 50 units to the right. D. Shift up 20,000 units and shift 50 units to the right.
Solve.Find the sale price when the original price is $63.00 and the discount rate is 17%.
A. $10.71 B. $52.29 C. $61.93 D. $1.07
Graph the solution set of the system of inequalities or indicate that the system has no solution.
A. 
B. 
C. 
D. 
Add or subtract, as indicated.5.759 - (-0.31)
A. 6.069 B. 5.449 C. 6.169 D. 1.785