Find the Derivative of the Function $z ( x ) = 3 \ln \mid 4 ( \sec x + \tan x )$

Multiple Choice

Find the derivative of the function. $z ( x ) = 3 \ln \mid 4 ( \sec x + \tan x )$

A) $z ( x ) = 9 \sec x$
B) $z ^ { \prime } ( x ) = \frac { 3 \sec x } { 4 }$
C) $z ^ { \prime } ( x ) = 3 \left( 1 + \tan ^ { 2 } x \right)$
D) $z ^ { \prime } ( x ) = \sec x$
E) $z ( x ) = 3 \sec x$