4. The result of rotating the line about the line x=?2 is ________________ 5. Th

Question

4. The result of rotating the line about the line x=?2 is ________________
5. The result of rotating the line about the line x=? is _________________
6. The result of rotating the line about the line y=?2 is ________________
7. The result of rotating the line about the line y=? _________________
8. The result of rotating the line about the line y=?? __________________

A. a cylinder of radius x+2 and height cos(3x)?sin(2x)
B. an annulus with inner radius sin(2x) and outer radius cos(3x)
C. an annulus with inner radius ?+sin(2x) and outer radius ?+cos(3x)
D. an annulus with inner radius ??cos(3x) and outer radius ??sin(2x)
E. a cylinder of radius ??x and height cos(3x)?sin(2x)
F. a cylinder of radius x and height cos(3x)?sin(2x)
G. an annulus with inner radius 1?cos(3x) and outer radius 1?sin(2x) is
H. an annulus with inner radius 2+sin(2x) and outer radius 2+cos(3x)

Explanation / Answer

1) B

2) F

3) G

4) A

5) E

6) H

7) C

8) D

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