So I have y equals x, and y is equal to x squared minus 2x right over here. And we're going to rotate the region in between these two functions. So that's this region right over here. And we're not going to rotate it just around the x-axis. We're going to rotate it around the horizontal line y equals 4. So we're going to rotate it around this. And if we do that, we'll get a shape that looks like this.