Does the Function X + x^(2/3) Have a Concavity?

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The function X + x^(2/3) does not exhibit concavity in the traditional sense, as its second derivative does not yield a specific value indicating points of inflection. Participants in the discussion confirmed that the second derivative does not equal zero at any point, which is a key indicator of concavity. The exponent 2/3 plays a crucial role in the behavior of the function, leading to this conclusion. Therefore, the function lacks regions of concavity or convexity.

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What is the concavity of this function?

X+x2/3? I got the second derivative, and I. Did not gvet a value. Does this function not have concavity?

Note:2/3 is an exponent.
 
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Hi realism877! :smile:

realism877 said:
What is the concavity of this function?

X+x2/3? I got the second derivative, and I. Did not gvet a value. Does this function not have concavity?

Note:2/3 is an exponent.

Note the x2 and x2 buttons in the edit screen. They allow you to write subscripts/supscripts.

Anyway, you calculated the second derivative and you "don't get a value". What do you mean with that?? What is the second derivative of the function?

Do you mean that you don't find a point where the second derivative is 0? Well, that's certainly true.
 

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