Solve.For the geometric sequence 2, 1, , , ... , find an.

A. an = 2n-2
B. an = n-2

C. an = 1-n

D. an = 21-n

Answer: B

Mathematics

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Solve the problems.A one-story building is 290 ft by 480 ft. If a square patio with sides 16 ft occupies the center of the building, how much area remains for offices?

A. 1,540 ft2 B. 1,524 ft2 C. 1,476 ft2 D. 138,944 ft2

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Express the product as a sum containing only sines or cosines.cos(4?) cos(6?)

A. [cos(10?) - cos(2?)]
B. cos2(18?2)
C. [cos(10?) - sin(2?)]
D. [cos(2?) + cos(10?)]

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Determine the exponential function whose graph is given.

A. f(x) = -6x B. f(x) = 6-x C. f(x) = 6x D. f(x) = -6-x

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Sketch the graph of the function and its inverse on the same coordinate axes.f(x) = 

A.

B.

C.

D.

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Mathematics