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Convex

Mock Midterm exam 2018:

Can you please explain why 5 is not convex?

gh.jpg

If you take the second derivative, you see it's not always greater or equal than zero.

functie.jpg

Check its graph.

Also, \(f''(x)\) is \((x^2-1)*f(x) \)

That was very clear!! Thank youu!!

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