Please answer part a,b,c,d,e,f

Suppose that f is the linear function and g is the parabolic function in the graph below (click on the graph for a larger view). X Find: (a) (fog) (2) = (b) (go f) (2) = ( c) ( fo f ) ( 2) = 22 (d) (go g) (2) = (@) (f + g) (4) = (1) (f / g) ( 2) = Note: If the answer does not exist, enter DNE