$\text { Use logarithmic differentiation to find } \frac { d y } { d x } \text {. }$

Multiple Choice

$\text { Use logarithmic differentiation to find } \frac { d y } { d x } \text {. }$ $y = x ^ { 8 x }$

A) $8 x ^ { 7 x }$
B) $8 x ^ { 8 x - 1 }$
C) $8 x ^ { 8 x } \ln x$
D) $8 ( \ln x + 1 )$
E) $8 x ^ { 8 x } ( \ln x + 1 )$