Solve the problem.A water tank is shaped like an inverted cone with height 9 m and base radius 1.5 m (see figure). If the tank is full, how much work is required to pump the water to the level of the top of the tank and out of the tank? Express the answer in terms of ?. 
A. 198,450 J
B. 5,358,150? J
C. 893,025? J
D. 148,837.5? J
Answer: D
Mathematics
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A. 4 sech x2 + C
B. 8 csch x2 + C
C. 
+ C
D. - 4 sech x2 + C
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A. 2i B. -2i C. i - 2 D. 2 - i
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Decide whether the polynomial is written in descending powers, ascending powers or neither.6q3 - 2q5 + q8
A. Ascending B. Descending C. Neither
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Write interval notation.{x?0 ? x ? 4}
A. (0, 4] B. [0, 4] C. [0, 4) D. (0, 4)
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