Multiple Choice
Determine the open intervals on which the graph of is concave downward or concave upward.
A) concave upward on ; concave downward on
B) concave downward on
C) concave upward on
D) concave downward on ; concave upward
E) concave upward on ; concave downward on
Correct Answer:

Verified
Correct Answer:
Verified
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