$(1$ point$)$ Evaluate $$$$f$($x$)$dx$$f$($x$)$dx$,$ where

f$($x$)=\{4$x$2,7$sin$($x$),$$$x$<00$x$$$.$f$($x$)=\{4$x$2,$$$x$<07$sin$($x$),0$x$$$.$

$$$$f$($x$)$dx$$f$($x$)$dx $=$