$3.(4$ points$)$ Sketch a function that's monotonic decreasing across its entire domain. I don't need the name of the function $($e$.$g$.$ no need for $\backslash ($ f$($x$)=\backslash$quad $\backslash )$ you can sketch an unnamed function$).$

$4.(4$ points$)$ Sketch a function that's has an absolute maximum and a local minimum $($e$.$g$.$ no need for $\backslash ($ f$($x$)=\backslash$quad $\backslash )$ you can sketch an unnamed function$).$