Solve the problem.The water is drained from a tank by opening a valve at the bottom of the tank. The depth of the water in the tank t hours after the valve is opened is d(t) = 6
2 meters. If the valve is opened at 1 pm, what is the depth of water at 3 pm?
A. 5.83 meters
B. 3.38 meters
C. 5.00 meters
D. 4.17 meters
Answer: D
Mathematics
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Evaluate the improper integral or state that it diverges. 
A. - 
ln 2
B. 
ln 7
C. ln 2
D. ln 6
Mathematics
Divide using synthetic division.
A. x3 - 2x2 - x + 4 - 
B. x3 - 2x2 + x + 6 + 
C. x3 - 2x2 + x + 4 + 
D. x3 + 2x2 - x + 6 - 
Mathematics
Add and simplify. 
+ 
A. 
B. 
C. 
D. 
Mathematics
Add or subtract as indicated.(-2x2y2 - 8y4) + (11x2y2 + 12y4)
A. -22x4y4 - 96y8 B. 9x2y2 + 4y4 C. 9x2y2 - 4y4 D. 9x4y4 + 4y8
Mathematics