Which of the following is the graph of f(x) = 3 sin (2x)? graph with points at 0, negative 3 and pi over 4, negative 2 and pi over 2, negative 3 and 3 pi over 4, negative 4 and pi, negative 3 graph with points at 0, 0 and pi over 4, 3 and pi over 2, 0 and 3 pi over 4, negative 3 and pi, 0 graph with points at 0, 0 and pi over 2, 3 and pi, 0 and 3 pi over 2, negative 3 and 2 pi, 0 graph with points at 0, 0 and pi over 4, negative 3 and pi over 2, 0 and 3 pi over 4, 3 and pi, 0