Finding Points of Inflection In Exercises15-36, find the points of inflection and discuss the concavity of the graph of the function.
To calculate: The points of inflection for the provided function and thus its concavity.
The function .
The inflection point of the function corresponds to the point where its second derivative disappears.
For a function f that is twice differentiable on an open interval I:
If for all x in I, the function f is concave upwards on I and if for all x in I, the function f is concave downwards on I.
Now differentiate the provided function twice.
Equate the second derivative to zero to obtain the inflection point.
Now substitute this for x in the function to obtain,
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