This week we reviewed Functions and relations from grade 9. Functions are types of relation with only 1 connection with another number or variable or basically a special relation ship that you only have 1 of, like your spouse. We also learned about function notation. Function notation is a way a function is written and it is a different way then using the both X and Y in an equation. It is meant to be a way of giving information about the function without being a very long equation or explanation. The functions are usually a single letter like F or G or basically any letter.

Examples: