Try another version of this question Box 1: Enter your answer using interval notation. Example: [2.1,5.6172) Question 1
Express the set   `W = { z | z ≤ -7 or z ≥ 10 }` using interval notation.
`z in `
Use U for union to combine intervals. Example: (-oo,2] U [4,oo)
Enter DNE for an empty set. Use oo to enter Infinity. (-oo,-7] U [10,oo)