Find the volume of the solid of revolution formed by rotating about the x-axis the region bounded by the curves.y = x + 1, y = 0, x = -1, x = 4

A. ?
B. ?
C. 12?
D. 25?


Answer: B

Mathematics

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Write the number in ordinary notation.3.93 × 10-4

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Solve the problem.On our moon, the acceleration of gravity is 1.6 m/sec2. If a rock is dropped into a crevasse, how fast will it be going just before it hits bottom 45 seconds later?

A. -36 m/sec B. -72 m/sec C. 3240 m/sec D. 72 m/sec

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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 

A. 0 B. -12 C. 1 D. -4

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Given the terms of a finite sequence, classify it as arithmetic, geometric, or neither.3, 9, 27, 81, 243

A. Arithmetic B. Neither C. Geometric

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