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Duplicate of Calculus: Derivative Review Flashcards | StudBud
Duplicate of Calculus: Derivative Review
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If f ' (9) < 0 and f '' (9) < 0, at x = 9, the graph of f(x) is?
A
increasing and concave up
B
decreasing and concave up
C
increasing and concave down
D
decreasing and concave down
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