Answer
$f(0)=0,f(2)=3.$
Work Step by Step
$x=0$ is in the interval $x\leq0$, thus $f(x)=x^2,f(0)=0^2=0.$
$x=2$ is in the interval $2\leq x\leq5$, thus $f(x)=5-x,f(2)5-2=3.$
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