What Is $\sqrt[10]{x}$ , Given That $H=f \circ g \circ h$ And $H(x)=\sqrt[10]{\sqrt{x}-3}$

What is $\sqrt[10]{x}$ , given that $H=f \circ g \circ h$ and $H(x) =\sqrt[10]{\sqrt{x}-3}$ ?

A) h(x)
B) g(x)
C) f(x)