Evaluate without the use of a calculator.arctan
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the area of the surface generated by revolving the curve about the indicated axis. y = x3/9, 0 ? x ? 2; x-axis
A. 98?
B. 
?
C. 
?
D. 
?
Mathematics
Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line y = 7, below by the curve y = 
, and on the left by the y-axis, about the line x = -1
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Calculate the circulation of the field F around the closed curve C.F = - 
x2yi - 
xy2j; curve C is r(t) = 10 cos ti + 10 sin tj, 0 ? t ? 2?
A. - 
B. 0
C. - 
D. - 
Mathematics
Solve the inequality by using the method of your choice. State the solution set in interval notation and graph it.x2 + 12x + 20 ? 0
A. (-?, 2] ? [10, ?)
| 2? | 10 |
B. (-?, -4] ? [10, ?)
| -4 | 10 |
C. (-?, -2] ? [10, ?)
| -2 | 10 |
D. (-?, -10] ? [-2, ?)
| -10? | -2 |
Mathematics