Please answer all parts

Question 3 (Essay Worth 15 points) (02.06 HC) Let y = 2(x - 3)2 - 6. Part A: Is the given relation a function? Is it one-to-one? Explain completely. If it is not one-to-one, determine a possible restriction on the domain such that the relation is one-to-one. (5 points) Part B: Determine y-1. Show all necessary calculations. (5 points) Part C: Prove algebraically that y and y are inverse functions. (5 points) PA Q Source V C BIUS X XE TX Styles Format Font Size - A - A