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Posted on Jun 28, 2024

Suppose the second derivative of f is given by f ( x ) = 4 ( x 2 + 9 ) / ( 1

Suppose the second derivative of f is given by

f"(x)=4(x2+9)/(16x2)5

Determine the intervals of concavity of f. Enter your answer using interval notation. If an answer does not exist, enter DNE. f is concave up on ________

f is concave down on _________

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