Graph the function.y = 2 cos (?x)

A.

B.

C.

D.

Answer: D

Mathematics

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Multiply and reduce to lowest terms. ? 

A.  
B.
C.  
D.  

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Perform the indicated operation and simplify. - 

A.
B.
C.
D.

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Multiply or divide as indicated. ? 

A.  
B.  
C.
D.  

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Find the difference.0 - 12

A. -12 B. 0 C. 12 D. -11

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