$5\mathrm{.}2$ EXERCISES

Please help $me$ understand how $todo$ this problem and show how $todo$ the sketches please

$1-18$ Find the volume $of$ the solid obtained $by$ rotating the region

bounded $by$ the given curves about the specified line. Sketch the

region, the solid, and a typical disk $or$ washer.

$y=x+1,y=0,x=0,x=2$; about the $x-$axis