(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Let K be the closed interval [0,1] and consider the function f(x)=x^2. Is f convex? Is f linear?

help please :/ i don't even know how to set this up to check, our teacher didn't even get to this in class yet!

2. Relevant equations

3. The attempt at a solution

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# Homework Help: Convex function on closed interval?

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