4. (6 = 3*2 points) Let p = x = y*zay = 4*2 AZ= b[0] + b[2] , 2

(6-3*2 points) Let p x-y*z A y -4*z A z blO} + b{2J A 2 < bill < b12} < 5. Complete the 4. definition of o = {x unconstrained, give it a greek letter name (6, } so that o If some value is your choice).