Y=2x+5 graph each function rule i have no idea how to do this and how to work it out

5-1=4
4/2x=2x
y=2x 
that should be your answer

“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 .