Determine where the function is concave upward and where it is concave downward.
?

?

A. concave upward on ;

concave downward on 


B. concave upward on ;

concave downward on 


C. concave upward on ;

concave downward on 


D. concave upward on ;

concave downward on 


E. concave upward on ;

concave downward on 


Answer: E

Mathematics

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