Let $f$ be the linear function (in blue) and let $g$ be the parabolic function (in red) below.

Evaluate the following:

1.	$(f \circ g)( 2 )$	=
2.	$(g \circ f)( 2 )$	=
3.	$(f \circ f)( 2 )$	=
4.	$(g \circ g)( 2 )$	=
5.	$(f + g)( 4 )$	=
6.	$(f /g)( 2 )$	=

Enter "DNE" if an answer does not exist.