X {2,4,6,8,10}
y {1,3,5,7,9}
(a) Is it a function?
(b) Domain:
(c) Range:

“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 .