Multiple Choice
Determine where the graph of 
is concave upward and where it is concave downward.Also,find all inflection points of the function.
A) concave downward: 
and 
, concave upward: 
and 
; inflection points: 
and 
B) concave downward: 
and 
, concave upward: 
and 
; inflection points: 
and 
C) concave downward: nowhere, concave upward: 
and 
; inflection points: none
D) concave downward: 
and 
, concave upward: nowhere; inflection points: none
Correct Answer:
Verified
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