Identity Function & It's Graph - Learn Relations and Function

Learn what is Identity function & its Graph in easy concept in the chapter of Relation and functions in mathematics.This video will introduce you Identity function is easy language. Identity function simply can be defined as a function whose DOMAIN & RANGE are same. And the graph of the identity function is always a pretty straight line going crossing the exactly between x & y. The equation of identity function in mathematics is f(x), x= y.
Learn more about Identity function and see examples in the video including the graph of the identity function.