An Equation of the Tangent Line to the Graph Of y

Multiple Choice

an equation of the tangent line to the graph of $y = \arcsin ( 7 x ) \text { at the point }$ $\left( \frac { 1 } { 7 \sqrt { 2 } } , \frac { \pi } { 4 } \right)$

A) $y = \frac { 7 } { \sqrt { 2 } } x + \frac { \pi } { 4 }$
B) $y = 7 \sqrt { 2 } x + \frac { \pi } { 4 }$
C) $y = 7 \sqrt { 2 } x + \frac { \pi } { 4 } - 1$
D) $y = \frac { 7 } { \sqrt { 2 } } x + \frac { \pi } { 4 } - 1$
E) $y = 49 \sqrt { 2 } x + \frac { \pi } { 4 } - 7$