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​Find the Points of Inflection and Discuss the Concavity of the Function

question 48

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​Find the points of inflection and discuss the concavity of the function. ​​
​ ​Find the points of inflection and discuss the concavity of the function. ​​ ​ ​ A) ​inflection point at ; concave downward on ; concave upward on B) ​inflection point at ; concave upward on ; concave downward on C) ​​inflection point at ; concave downward on ; concave upward on D) ​inflection point at ; concave upward on ; concave downward on E) ​none of the above ​

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