Simplify.

A. - 
B. - 5
C. - 
D. - 


Answer: D

Mathematics

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Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = -4x4 - 5x3 - 9x2 - 3x + 8

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Write the pair of rational expressions in terms of their LCD. and 

A.  and 
B.  and 
C.  and 
D.  and 

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