IV. Answer the following. Write your answer in the space provided. Given: If P = {1, 2, 3), Q = (2, 3, 4), R=(3, 4, 5), and S = (4, 5, 6} Find: 1. PUQ 2. PUR 3. QUR 4. QUS 5. POQ 6. POR 7. SOP 8. 9. Q-P P-S 10. R-S​