Find the domain of function \( f(x) = \dfrac{\sqrt{x - 1}}{\sqrt{4 - x^2}} \).

It says in the questions that it is 6.5?

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .