Express the product as a sum containing only sines or cosines.cos  cos 

A. [cos(3?) + cos(4?)]
B. cos2(7?)
C. [cos(4?) - sin(3?)]
D. [cos(8?) - sin(6?)]

Answer: A

Mathematics

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Solve.Use the magic penny parable to determine how many days would elapse before you had a total of over $2,048,947.

A. 32 days B. 20 days C. 28 days D. 37 days

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Add or subtract. Simplify the answer. - 

A.
B.
C.
D.

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The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(-1, 0)

A. increasing B. constant C. decreasing

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Rewrite the expression with a positive rational exponent. Simplify, if possible.

A.  y1/5
B. (6y)1/5
C. 6y1/5
D. (6y)5/2

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