Explore Westonci.ca, the leading Q&A site where experts provide accurate and helpful answers to all your questions. Explore in-depth answers to your questions from a knowledgeable community of experts across different fields. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

If function f [ x + 1 ] = 3x² - x + 1 ,then f [ x ] = ?

will be greatly appreciated, thanks :)))​