Find the area of the region {(x, y): x2 + y2 ≤ 1 ≤ x + y}.
Find the area of the region bounded by the circle x2 + y2 = 1 and x + y = 1. Also draw a rough sketch.
Find the area of the region {(x, y): x2 ≤ y ≤ |x|}.OrFind the area of the region bounded by the parabola y = x2 and y = |x|.