What is Onto Function? Chapter 1

What is Onto Function? Chapter 1

What is Onto Function?

A function F is called the Onto Function. If the range of F is B. In other words, if each b E Bthere exist at least one a E A such that f (a) = b then F is an Onto Function.

Let A = { 1, 2, 3, } And B ={ 4 , 5 }

Let F= { (1, 4), (2, 5) , (3, 5)}

Domain = { 1, 2 , 3 } = A

Range = { 4, 5}

The elemet from A 2 and 3 has same range 5. so F = A in to B is an Onto Function.

For What is One to One Function? Chapter 1 Click Here or for Chapter 1 – Exercise 1.3 Q 15 Click Here

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