N is an integer and -2

I'll give brainliest if you answer right : )

Use set buikder notation to represent the following set: {, -2, -1, 0}

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.