The solutions to the following Exercises from Chapter 6 on Functions, Relations & Transformations have been posted on the Wiki.
Ex 6A Set notation and sets of numbers (complete solutions)
Ex 6C Functions (complete solutions)
Ex 6E Hybrid Functions (Quest 2 & 3 only solutions)
Please also remember that if you want to join the Wiki you must identify yourself. This is connected to copyright issues that must be respected.