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The second derivative of the function f is given by f′′(x)=x2cos((x2+2x)/6). At what values of x in the interval (−4,3) does the graph of f have a point of inflection?

 Dec 15, 2020
 #1
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Is this suposed to be a graphical or mathematical solution?

Here is the graph:

 

 Dec 16, 2020
 #2
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Sorry....wrong graph...here is the corrected one:

 

 

 Dec 16, 2020

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