Find F(x) and G(x) Such That H(x) = $(f \circ g)(x)$

Multiple Choice

Find f(x) and g(x) such that h(x) = $(f \circ g) (x)$ .
- $h ( x ) = \sqrt { - 81 x ^ { 2 } + 71 }$

A) $f ( x ) = \sqrt { - 81 x + 71 } , g ( x ) = x ^ { 2 }$
B) $f ( x ) = \sqrt { x } , g ( x ) = - 81 x ^ { 2 } + 71$
C) $f ( x ) = \sqrt { - 81 x ^ { 2 } } , g ( x ) = \sqrt { 71 }$
D) $f ( x ) = - 81 x ^ { 2 } + 71 , g ( x ) = \sqrt { x }$