Function notation | Relations and Functions | Class XI | Mathematics | Khan Academy

In this video, we will understand how a function basically acts like a machine. We will also learn the function notation used in mathematics. Practice this concept - https://www.khanacademy.org/math/in-i... Check out more videos and exercises on Relations and Functions - https://www.khanacademy.org/math/in-i... To get you fully ready for your exam and help you fall in love with Math, find the complete bank of exercises and videos for Class XI Maths here - https://www.khanacademy.org/math/in-i... Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages. Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy. Subscribe to our YouTube channel -    / khanacademy   As a 501(c)(3) nonprofit organization, we would love your help! Donate here: https://www.khanacademy.org/donate?ut... Created by Aakash Singh Bagga