Express the given function H as a composition of two functions f$($x$)$ and g$($x$)$ such that H$($x$)=$ f$($g$($x$)).$ H$($x$)=(1/$x$2-7)$ f$($x$)=(1/($x$)$ with superscript $(2)),$ g$($x$)=-(1/7)$ f$($x$)=(1/7),$ g$($x$)=$ x$2-7$ f$($x$)=(1/$x$),$ g$($x$)=$ x$2-7$ f$($x$)=(1/($x$)$ with superscript $(2)),$ g$($x$)=$ x $-7$