Let f and g be two differentiable functions. Suppose we know that f(2) =5, f'(2) =-2, f(1)=-3, f'(1)=4, 9(1)=2, g'(1)=7, g(2) =-1 and g (2 ) = -4 . Find the value of (fog)' (1) . O -14 O 28 O -4 0 8 O None of the above