Rationalize the Numerator of the Expression and Simplify $\frac { \sqrt { 7 x + h } + 14 - ( \sqrt { 7 x } + 14 ) } { h }$

Multiple Choice

Rationalize the numerator of the expression and simplify.
- $\frac { \sqrt { 7 x + h } + 14 - ( \sqrt { 7 x } + 14 ) } { h }$

A) $\frac { h } { ( \sqrt { 7 x + h } + \sqrt { 7 x } ) }$
B) $\frac { 1 } { ( \sqrt { 7 x + h } + \sqrt { 7 x } ) }$
C) $\frac { 1 } { ( \sqrt { 14 x + h } ) }$
D) $\frac { h } { ( \sqrt { 14 x + h } ) }$