Question

hii guys..... please explain onto function with an example​

Answer 1

Answer:

a function is said to be onto if all the elements in the codomain are related to atleast one element of the domain.

that means no element in the co-domain is free.

f(x) = x² +2x is an onto function

Answer 2

for onto function:

range=codomain

It's my second id

..xd