Find the Derivative Of $f ( x ) = 5 ^ { 4 x + 4 }$

Multiple Choice

Find the derivative of $f ( x ) = 5 ^ { 4 x + 4 }$ .

A) $( 5 \ln 4 ) 5 ^ { 4 x + 4 }$
B) $( 4 \ln 5 ) 5 ^ { 4 x + 4 }$
C) $( \ln 5 ) 5 ^ { 4 }$
D) $( 4 x + 4 ) 5 ^ { 4 x + 3 }$