N X -3 -2 -1 0 X 1 2 3 -1+ -2+ Graph of f The graph of y = f (a) is shown above. Which of the following could be the graph of y = f" (a)?N 1+ A - 3 - - 1 0 1 2 3 -1+ -2+ No 1+ B -3 -2 -1 0 +- X 2 3 N1+ C -3 -2 -1 O X 2 3 -24 D -3 -2 X O 1 2 3 -1- -2+