Ihave two questions. is y= (4 2/3) x proportonal? and is y= 3(x - 1) proportional? if it’s proportional, what’s the constant variable?

“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 .