Complete the identity.cos  = ?

A. -sin x
B. cos x
C. -cos x
D. sin x

Answer: A

Mathematics

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Find the indicated vector.Let u = , v = . Find u + v.

A.
B.
C.
D.

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Factor out the greatest common factor.5x2 + 30x

A. 5x(x + 6x) B. 5x(x + 6) C. 5(x2 + 6x) D. x(5x + 30)

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Write as the sum and/or difference of logarithms. Express powers as factors.  logb

What will be an ideal response?

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Find the limit algebraically.

A. -10 B. -8 C. 8,000 D. -1,000

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Mathematics