$\text { Find the derivative of the function } f ( x ) = 10 \arcsin ( x - 9 ) \text {. }$

Multiple Choice

$\text { Find the derivative of the function } f ( x ) = 10 \arcsin ( x - 9 ) \text {. }$

A) $f ^ { t } ( x ) = \frac { 10 } { \sqrt { ( x - 9 ) ^ { 2 } - 1 } }$
B) $f ^ { t } ( x ) = \frac { 10 } { ( x - 9 ) ^ { 2 } - 1 }$
C) $f ^ { t } ( x ) = \frac { 10 } { ( x - 9 ) ^ { 2 } + 1 }$
D) $f ^ { t } ( x ) = \frac { 10 } { \sqrt { 18 x - x ^ { 2 } - 80 } }$
E) $f ^ {t } ( x ) = \frac { 10 } { \sqrt { 1 + ( x - 9 ) ^ { 2 } } }$