Which of the following statements are true about the graph of f(x)=-2tan(3x-6)+1 A. It is a vertical shift of the parent function up 1 unit.
B. It is a reflection of the parent function across the x-axis.
C. It is a vertical expansion of the parent function by a factor of 2.
D. It is a horizontal shift of the parent function one half unit left.
E. It is a horizontal expansion of the parent function by a factor of 3.