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

Verified
Correct Answer:
Verified
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