Multiple Choice
The function f(x) = is concave down on the interval(s)
A) (-∞, -3) .
B) (-3, ∞) .
C) (-3, 0) .
D) (-∞, -3) and (2, ∞) .
E) (-∞, ∞) .
Correct Answer:

Verified
Correct Answer:
Verified
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