Solve the problem.Sketch a graph that depicts the amount of water in a 50-gallon tank during the course of the described pumping operations. The tank is initially full, and then a pump is used to take water out of the tank at a rate of 6 gallons per minute. The pump is turned off after 5 minutes. At that point, the pump is changed to one that will pump water into the tank. The change takes 2 minutes and the water level is unchanged during the switch. Then, water is pumped into the tank at a rate of 3 gallons per minute for 3 minutes.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem by integration.Find the first-quadrant area bounded by 
and 
A. 
ln 
B. 
ln 
C. 6 ln 
D. 
ln 
Mathematics
Provide an appropriate response.Find the mean of the following (round to nearest tenth): 48, 97, 36, 51, 12
Fill in the blank(s) with the appropriate word(s).
Mathematics
Match the polynomial function with the graph.y = x4 - 0.5x3 - 12.5x2 + 13x + 12
A. 
B. 
C. 
D. 
Mathematics
Multiply.48 ? 9 ? 8
A. 3446 B. 3456 C. 3445 D. 3467
Mathematics