↩ 🔵 🔵 🔵 ❪✺❫ Mathematical Concepts ○ Function ○꠹ ❪✺₁𝑖❫⁺ Classes of Functions ○ ❪✺₁ᵢ❫ Function Classes ○ Argument of a Function ○ Codomain ○ Domain ○ Graph of a Function ○ Image ○ Range of a Function ○