Solve the problem.A company knows that the unit cost C and the unit revenue R from the production and sale of x units are related by 
Find the rate of change of unit revenue when the unit cost is changing by $9/unit and the unit revenue is $1000.
A. $1071.00/unit
B. $656.50/unit
C. $45.00/unit
D. $242.00/unit
Answer: A
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Add in the indicated base.3034 + 224
A. 10014 B. 10314 C. 3314 D. 3254
Solve.A satellite following the hyperbolic path shown in the picture turns rapidly at (0, 2) and then moves closer and closer to the line y = 
x as it gets farther from the tracking station at the origin. Find the equation that describes the path of the rocket if the center of the hyperbola is at (0, 0).
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Solve the problem.The half-life of a certain radioactive substance is 22 years. Suppose that at time t = 0 , there are 21 g of the substance. Then after t years, the number of grams of the substance remaining will be 
How many grams of the substance will remain after 242 years? Round to the nearest hundredth when necessary.
A. 0.23 g B. 0.06 g C. 0.46 g D. 0.12 g
Replace the ? with < or >.661,000 ? 0.0661
A. > B. = C. <