For the function piece defined by $f(x) = 2x + 1$ for $x > 3$, which type of circle should be used on its graph at the boundary $x=3$?

Both an open and a closed circle

A function is defined as $h(x) = x^2 + 1$ for $x < -2$ and $h(x) = 3 - x$ for $x \geq -2$. What points and circle types are used at the boundary $x = -2$?

Open circle at $(-2, 5)$ and closed circle at $(-2, 5)$

Open circle at $(-2, 1)$ and closed circle at $(-2, 5)$

Closed circle at $(-2, 5)$ and open circle at $(-2, 1)$

Open circle at $(-2, 5)$ and open circle at $(-2, 1)$