Graph the function.y =  cot 

A.

B.

C.

D.


Answer: B

Mathematics

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Solve the problem.A certain radioactive isotope has a half-life of 277 years. Determine the annual decay rate, k.

A. 0.265% B. 0.195% C. 0.135% D. 0.25%

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Give the equation of the horizontal asymptote, if any, of the function. f(x) = 

A. y = -1, y = 1 B. no horizontal asymptotes C. y = -25 D. y = 0

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Decide whether the situation involves permutations or combinations.A sample of 4 items taken from 65 items on an assembly line.

A. Permutation B. Combination

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Factor completely.a3b3 + 8

A. (ab - 2)(a2b2 + 4) B. (ab + 2)(a2b2 - 4) C. (ab - 2)(a2b2 + 2ab + 4) D. (ab + 2)(a2b2 - 2ab + 4)

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