↩ 🔵 🔵 🔵 ❪✺ᵢ❫ Function Concepts ○ ❪✺₁❫ Mathematical Classes ○ Function ○꠹ ❪✺₁𝑖❫⁺ Classes of Functions ○ Parameter ○꠹ꟳᵁᴺꟲᵀᴵᴼᴺ