Chapter 4.2, Problem 3CYU

Choose from the column on the right the equivalent expression.

$\begin{array}{l}a. 6x\hfill \\ b. -6x\hfill \\ c. x^6\hfill \\ d. \frac{1}{x^6}\hfill \\ e. -\frac{1}{x^6}\hfill \end{array}$

$-x^{-6}$