Find$$f$\text{'}(-2\mathrm{.}7)$ for the function$$f$($x$)=3$x$5+3$x$4+2$x$3+2$x$2+1$x $+3.$Round your answer to three decimal places. $$Hint: $$Once you have found the derivative of f$,$ you can use synthetic division to evaluate it at$$x $=-2\mathrm{.}7.$