Simplify. ?  +  ? 

A.
B.
C.
D.

Answer: B

Mathematics

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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by y = 4x - x2 and y = x about the line x = 3

A. ?
B. ?
C. ?
D. ?

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Mathematics

Non-zero vectors v and w are given. Determine the vector decomposition of v into orthogonal components v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = i + 7j; w = i + j

A. v1 = 8i + 8j, v2 = -6i + 6j
B. v1 = i + j, v2 = - i + j
C. v1 = 4i + 4j), v2 = -3i + 3j
D. v1 = 4i + 4j, v2 = 3i - 3j

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Mathematics

Write out the first five terms of the sequence.an = 2n

A. 4, 8, 16, 32, 64 B. 2, 4, 8, 16, 32 C. 1, 4, 9, 16, 25 D. 1, 2, 4, 8, 16

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Mathematics

Divide.-  ÷ 3

A.
B. - 
C. - 
D. -7

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Mathematics