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

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1. (f o g)( 2 ) =

2. (g o f)( 2 ) =

3. (f o f)( 2 ) =

4. (g o g)( 2 ) =

5. (f + g)( 4 ) =

6. (f / g)( 2 ) =