Use the Functions Given By $f ( x ) = \frac { x } { 8 } - 1$

Multiple Choice

Use the functions given by $f ( x ) = \frac { x } { 8 } - 1$ and g(x) = x³ to find the indicated value. (f _º g) ^-1(5)

A) $- \frac { 387 } { 512 }$
B) $2 \sqrt [ 3 ] { 6 }$
C) $- 2 \sqrt [ 3 ] { 6 }$
D) $2 \sqrt [ 3 ] { 4 }$
E) Undefined