Welcome to Westonci.ca, your go-to destination for finding answers to all your questions. Join our expert community today! Get immediate and reliable solutions to your questions from a community of experienced experts on our Q&A platform. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

Let f : Z -> Z be defined by f(x) = x^2 + 1, and let C = {1, 2, 3}.

Find f(C), f^-1(C), f^-1 (f(C)) and f(f^-1 (C)).