X (b) The region R shown below bounded by the curves y = x - 10 and y = 31 - (x - 1). 31-(x-1) Y S's Saz-10 dydx Exercise 2 -4 -4 5031-12-172 21-10 djjdx 6 dxdy 92 J * -10 -y +10 X 5 A squircle is the curve x + y = 1 shown below. 15 y710 SS dxdy 31 1-31-y 1+/31-5 1- 31-y dxdy