If the point (8,-6) is on the graph of y=f(x), what point is graphed after the following transformations are performed in the order given?
step1: compress horizontally by a factor of 1/2
step2: reflected over the x-axis
step3: expanded vertically by a factor of 3
step4: reflected in the line y=x
a.(2,16)
b.(9,12)
c.(18,4)
d.(18,16)