https://www.khanacademy.org/math/linear-algebra/matrix-transformations/inverse-transformations/v/surjective-onto-and-injective-one-to-one-functions 2020-07-26T09:23:49Z Surjective (onto) and injective (one-to-one) functions Introduction to surjective and injective functions Sal Khan video https://cdn.kastatic.org/googleusercontent/NBtBHAZL0p4pQ9DyT0eAIJSi955WgLKdorofi3rlwYlGERA-9h58GRPxMtCYibQsT-mx6xdWolgNcW1KokzFy6k Surjective (onto) and injective (one-to-one) functions Introduction to surjective and injective functions https://cdn.kastatic.org/ka-youtube-converted/xKNX8BUWR0g.mp4/xKNX8BUWR0g.mp4 571 Types of functions https://www.khanacademy.org/math/ka-math-class-12/x6f66cbee9a2f805b:relations-and-functions-ncert-new/x6f66cbee9a2f805b:types-of-function/e/one-one-and-onto-functions-visual 2026-04-07T23:17:37.123726494Z One-one and onto functions (visual) check whether given function in arrow diagram or graph is one-one, onto, both or neither. exercise https://www.khanacademy.org/math/grade-11-math-snc-aligned/x07cdd52586d25c43:limit-of-a-function/x07cdd52586d25c43:what-is-a-function/e/one-one-functions 2024-09-18T12:44:18.907720316Z One-one functions check whether given function is one-one or not. exercise https://www.khanacademy.org/math/grade-11-math-snc-aligned/x07cdd52586d25c43:limit-of-a-function/x07cdd52586d25c43:what-is-a-function/e/onto-functions 2025-05-05T08:14:25.350149109Z Onto functions check whether given function is onto. exercise