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MathNet 2013 Question 61

Math Olympiad Vault · MathNet 2013

Question 61

Consider $a \in (0,1)$ and $C$ the set of all increasing functions $f: [0,1] \to [0, \infty)$, such that $\int_0^1 f(x) dx = 1$. Determine:

a. $\max_{f \in C} \int_0^a f(x) dx$,

and

b. $\max_{f \in C} \int_0^a (f(x))^2 dx$.