Determine the concavity of f(x)=xlnx

Determine the concavity off(x)=xlnx I end up with F''(x)=1/x, where it would be concave up when x>0 and concave down when x<0 Is
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2. asked by Isabella
3. 690 views
For the function below, determine the intervals of concavity:f(x)=xlnx I tried doing it but the second derivative would always
1. 2 answers
2. asked by Isabella
3. 1,093 views
Determine the concavity for f(x)= 4/x^2-1I took the second derivative and solved for zeros. I got x=-1 and x=1. However when
1. 1 answer
2. asked by Lisa
3. 398 views
Present the concavity test and explain how to use� ′ ′ ( � ) f ′′ (x) to determine concavity.
1. 5 answers
2. 72 views
How to differentiate f(x)=e^(xlnx)?I get f'(x)=e^(xlnx) (1+lnx) while at wolfram is x^x(ln x+x)...sorry for my miscalculation /
1. 1 answer
2. asked by Ifi
3. 559 views
How would you write open intervals for concavity? After you find the second derivative of a fuction; How would you go about
1. 3 answers
2. asked by Mercy
3. 475 views
Find the coordinates of the turning point and determine wether it is minimum or maximum.y=xlnx-2x The answer in the book says
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2. asked by Mark
3. 896 views
When given the f graph, how do you determine extrema of F(x)? Concavity of F(x)?
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2. asked by Anonymous
3. 363 views
The section is on concavity and the second derivative test, the question is:Determine all significant features and sketch a
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2. asked by Sandra Gibson
3. 356 views
FOr the function f(x)=x^2e^xFind the critical points, increasing decreasing, first and second derivative and concavity I am
1. 2 answers
2. asked by songyi
3. 697 views