Consider functions f $($x$)=7$x$24$ and g$($x$)=2$

$3$x $+1.$

$($a$)$ Find $($f $$ g$)($x$),$ clearly stating the domain of f $$ g and showing

all working.

$($b$)$ Find $($g $$ f $)($x$),$ clearly stating the domain of g $$ f and showing

all working.