Determine the intervals on which the following polynomial is entirely negative and those on which it is entirely positive.

A. entirely negative: ;  entirely positive: 
B. entirely negative:  ;  entirely positive: 
C. entirely negative: ;  entirely positive: 
D. entirely negative: ;  entirely positive:
E. entirely negative: ;  entirely positive: 


Answer: C

Mathematics

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D. 89.091, 99.91

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