Given the parent function f(x)=x^3 give the the best description of the graph of y=-(2x)^3.

a.
reflected over the x-axis, compressed horizontally by a factor of 2
b.
reflected over the x-axis, compressed vertically by a factor of 2
c.
reflected over the x-axis, compressed vertically by a factor of 1/2.
d.
reflected over the x-axis, compressed horizontally by a factor of 1/2.