- #1

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## Main Question or Discussion Point

Is it true that [tex]f(x)=x^a[/tex] is always a strictly convex function for [tex]a>1[/tex] on [tex](0,\infty)[/tex]?

- Thread starter Edwinkumar
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- #1

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Is it true that [tex]f(x)=x^a[/tex] is always a strictly convex function for [tex]a>1[/tex] on [tex](0,\infty)[/tex]?

- #2

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Find the sign of f''(x).

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