Find the extreme values of the function subject to the given constraint.  

A. Maximum: none; minimum: 2 at  
B. Maximum: none; minimum:   at  
C. Maximum: none; minimum:   at  
D. Maximum: none; minimum:   at  


Answer: C

Mathematics

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Multiply. Express the product in lowest terms. ? 

A.  
B.  
C.  
D.

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Mathematics